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Dr. Ohad Shemmer

Professor

University of North Texas

Department of Physics

(940) 369-8110

Email: ohad@unt.edu

Education

  • PhD, Tel Aviv University, 2005
    Major: Physics and Astronomy
    Dissertation: 'Black Hole Mass, Accretion Rate, and Metal Abundances in Active Galactic Nuclei'
  • MS, Tel Aviv University, 1999
    Major: Physics and Astronomy
    Dissertation: 'Periodic Microvariation of B416, a Luminous Blue Variable in M33'
  • BS, Tel Aviv University, 1997
    Major: Physics

Professional Positions

    Academic - Post-Secondary

  • Professor, University of North Texas. University of North Texas. (2024 - Present).
  • Associate Professor, University of North Texas. University of North Texas. (2014 - 2024).
  • Assistant Professor, University of North Texas. University of North Texas. (2008 - 2014).
  • Research Associate, The Pennsylvania State University. The Pennsylvania State University. (2006 - 2008).
  • Postdoctoral Researcher, The Pennsylvania State University. The Pennsylvania State University. (2004 - 2006).
  • Research and Teaching Assistant, Tel Aviv University. Tel Aviv University. (1997 - 2004).

Professional Memberships

  • Athena Study Science Team Working Groups. (2015 - Present).
  • NASA Extragalactic Database Users Committee. (2013 - Present).
  • Active Galactic Nuclei Science Collaboration for the Large Synoptic Survey Telescope. (2006 - Present).
  • American Astronomical Society. (2006 - Present).
  • International X-ray Observatory Science Team Associate. (2008 - 2012).

Teaching

Teaching Experience

    University of North Texas

  • CHEM 4900 - Special Problems, 1 course.
  • PHYS 1062 - Stars and the Universe, 29 courses.
  • PHYS 1710 - Mechanics, 4 courses.
  • PHYS 2900 - Special Problems, 1 course.
  • PHYS 4650 - Introduction to Modern Astrophysics, 11 courses.
  • PHYS 4900 - Special Problems, 2 courses.
  • PHYS 4910 - Special Problems, 5 courses.
  • PHYS 4950 - Senior Thesis, 11 courses.
  • PHYS 4951 - Honors College Capstone Thesis, 1 course.
  • PHYS 4955 - Senior Thesis Capstone, 9 courses.
  • PHYS 4980 - Experimental Course, 2 courses.
  • PHYS 5900 - Special Problems, 26 courses.
  • PHYS 5910 - Special Problems, 4 courses.
  • PHYS 5920 - Research Problems in Lieu of Thesis, 2 courses.
  • PHYS 5930 - Research Problems in Lieu of Thesis, 1 course.
  • PHYS 5941 - Colloquium, 7 courses.
  • PHYS 6900 - Special Problems, 8 courses.
  • PHYS 6940 - Individual Research, 1 course.
  • PHYS 6950 - Doctoral Dissertation, 7 courses.

Directed Student Learning

  • Major Professor (Major Professor, Supervisor of Student Research), "GNIRS-DQS: A Gemini Near-Infrared Spectrograph Distant Quasar Survey," Physics. (September 1, 2023).
  • Supervised Research (Supervisor of Student Research), "Calibrating the Hard-X-ray Spectral Slope and Eddington Ratio in Quasars," Physics. (June 2023).
  • Major Professor (Major Professor, Supervisor of Student Research), "Multiwavelength Diagnostics of Quasar Accretion Power," Physics. (September 1, 2016).
  • Supervised Research (Supervisor of Student Research), "The Rest-Frame Optical Properties of Broad Absorption Line Quasars at High Redshift," Physics. (August 2022 - May 2023).
  • Supervised Research (Supervisor of Student Research), "Shedding New Light on Weak Emission-Line Quasars in the C IV - Hβ Parameter Space," Physics. (August 2020 - May 2023).
  • Major Professor (Major Professor, Supervisor of Student Research), "Near-Infrared Spectroscopy of High-Redshift Quasars using the UKIRT Observatory," Physics. (September 1, 2018 - May 14, 2023).
  • Major Professor (Major Professor, Supervisor of Student Research), "GNIRS-DQS: A Gemini Near-Infrared Spectrograph Distant Quasar Survey," Physics. (September 1, 2017 - May 14, 2023).
  • Major Professor (Major Professor, Supervisor of Student Research), "Exploratory X-Ray Monitoring of Luminous Radio-quiet Quasars at High Redshift," Physics. (September 1, 2018 - December 18, 2022).
  • Supervised Research (Supervisor of Student Research), "Predicting C IV velocity offset from entire quasar UV spectrum," Physics. (August 2021 - May 2022).
  • Supervised Research, "Assessing emission-line effects on quasar color selection," Physics. (2019 - 2020).
  • Supervised Research, "Testing the Relevance of Mergers and Environment for the Fastest Growing Black Holes in the Most Intensely Star Forming Galaxies," Physics. (January 1, 2018 - August 31, 2018).
  • Supervised Research, Physics. (2016 - 2017).

Research

Published Intellectual Contributions

    Book

  • Abell, P.A. et al. (including Shemmer, O.). (2009). LSST Science Book, Version 2.0. 596. ARXIV. https://arxiv.org/abs/0912.0201

    • Conference Proceeding

  • Parrott, L., Shemmer, O., Marlar, A. (2024). Calibrating the X-ray Spectral Slope-Eddington Ratio Correlation Using Reverberation Mapping Measurements of Supermassive Black Hole Masses in Quasars. 56 (2) American Astronomical Society, AAS Meeting #243, id.104.28. https://ui.adsabs.harvard.edu/abs/2024AAS...24310428P/abstract
  • Ahmed, H., Shemmer, O., Matthews, B., Dix, C., Ha, T., Richards, G., Brotherton, M., Myers, A., Brandt, W., Ferrero, G., Gallagher, S., Green, R., Lira, P., McLane, J., Plotkin, R., Runnoe, J., Schneider, D., Strauss, M. (2024). Gemini Near Infrared Spectrograph - Distant Quasar Survey: Rest-Frame Ultraviolet-Optical Spectral Properties of Broad Absorption Line Quasars. 56 (2) American Astronomical Society, AAS Meeting #243, id.104.29. https://ui.adsabs.harvard.edu/abs/2024AAS...24310429A/abstract
  • Maithil, J., Brotherton, M., Shemmer, O., Du, P., Wang, J., Luo, B., Gallagher, S., Chen, H., Li, Y., Myers, A., McLane, J., Dix, C., Matthews, B., Nemmen, R. (2023). Quasars with highly accreting black holes: their X-ray properties and modified prescription of single-epoch mass. 55 (4) AAS High Energy Astrophysics Division meeting #20, id. 100.43. https://ui.adsabs.harvard.edu/abs/2023HEAD...2010043M/abstract
  • Shemmer, O., Ha, T., Dix, C., Matthews, B., Brotherton, M., Myers, A., Richards, G., Maithil, J., Anderson, S., Brandt, W., Fan, X., Gallagher, S., Green, R., Lira, P., Luo, B., Netzer, H., Plotkin, R., Runnoe, J., Schneider, D., Strauss, M., Trakhtenbrot, B., Wu, J. (2023). Shedding New Light on Weak Emission-Line Quasars in the C IV-Hβ Parameter Space. 55 (2) American Astronomical Society, AAS Meeting #241, id.301.04. https://ui.adsabs.harvard.edu/abs/2023AAS...24130104S/abstract
  • Thomas, M., Shemmer, O., Brandt, W., Paolillo, M., Kaspi, S., Vignali, C., Lira, P., Schneider, D. (2020). Exploratory X-Ray Monitoring of Luminous Radio-Quiet Quasars at High Redshift: Long Term Variability and Deep X-ray Images. 52 (1) American Astronomical Society, AAS Meeting #235, id.305.11. https://ui.adsabs.harvard.edu/abs/2020AAS...23530511T/abstract
  • Matthews, B., Shemmer, O., Brotherton, M., Andruchow, I., Boroson, T., Brandt, W., Cellone, S., Dix, C., Ferrero, G., Gallagher, S., Green, R., Hennawi, J., Lira, P., Myers, A., Plotkin, R., Richards, G., Runnoe, J., Schneider, D., Shen, Y., Strauss, M., Willott, C., Wills, B. (2020). Gemini Near Infrared Spectrograph Distant Quasar Survey: Initial Results. 52 (1) American Astronomical Society, AAS Meeting #235, id.381.06. https://ui.adsabs.harvard.edu/abs/2020AAS...23538106M/abstract
  • Marlar, A., Shemmer, O., Brotherton, M., Richards, G., Dix, C. (2020). Multiwavelength Diagnostics of Quasar Accretion Power. 52 (1) American Astronomical Society, AAS Meeting #235, id.304.18. https://ui.adsabs.harvard.edu/abs/2020AAS...23530418M/abstract
  • Dix, C., Shemmer, O., Brotherton, M., Green, R., Mason, M., Myers, A. (2020). Prescriptions for Correcting Ultraviolet-Based Redshifts for Luminous Quasars at z > 2.15. 52 (1) American Astronomical Society, AAS Meeting #235, id.305.29. https://ui.adsabs.harvard.edu/abs/2020AAS...23530529D/abstract
  • Matthews, B., Shemmer, O., Brotherton, M., Andruchow, I., Boroson, T., Brandt, W., Cellone, S., Ferrero, G., Gallagher, S., Green, R., Hennawi, J., Lira, P., Myers, A., Plotkin, R., Richards, G., Runnoe, J., Schneider, D., Shen, Y., Strauss, M., Willott, C., Wills, B. (2019). Gemini Near Infrared Spectrograph Distant Quasar Survey: The First Year. American Astronomical Society, AAS Meeting #233, id.243.38. http://adsabs.harvard.edu/abs/2019AAS...23324338M
  • Marlar, A., Shemmer, O., Brotherton, M., Richards, G. (2019). Identifying a Robust and Practical Quasar Accretion-Rate Indicator Using the Chandra Archive. American Astronomical Society, AAS Meeting #233, id.243.39. http://adsabs.harvard.edu/abs/2019AAS...23324339M
  • Matthews, B., Shemmer, O., Brotherton, M., Andruchow, I., Boroson, T., Brandt, W., Cellone, S., Ferrero, G., Gallagher, S., Green, R., Hennawi, J., Lira, P., Myers, A., Plotkin, R., Richards, G., Runnoe, J., Schneider, D., Shen, Y., Strauss, M., Willott, C., Wills, B. (2018). GNIRS-DQS: A Gemini Near Infrared Spectrograph Distant Quasar Survey. American Astronomical Society, AAS Meeting #232, id.318.09. http://adsabs.harvard.edu/abs/2018AAS...23231809M
  • Rivera, A., Richards, G., Shemmer, O., Gallagher, S. (2018). Investigating Quasar Diversity using UV, X-ray, and Emission-line Properties. American Astronomical Society, AAS Meeting #231, id.250.24. http://adsabs.harvard.edu/abs/2018AAS...23125024B
  • Marlar, A., Shemmer, O., Anderson, S., Brandt, W., Diamond-Stanic, A., Fan, X., Luo, B., Plotkin, R., Richards, G., Schneider, D., Wu, J. (2018). Steep Hard-X-ray Spectra Indicate Extremely High Accretion Rates in Weak Emission-Line Quasars. American Astronomical Society, AAS Meeting #232, id.318.10. http://adsabs.harvard.edu/abs/2018AAS...23231810M
  • Marlar, A., Shemmer, O., Brotherton, M., Richards, G. (2017). Searching for Robust Accretion Rate Diagnostics in Distant Quasars. American Astronomical Society, AAS Meeting #230, id.313.01. http://adsabs.harvard.edu/abs/2017AAS...23031301M
  • Lehmer, B., Basu-Zych, A., Mineo, S., Brandt, W., Eufrasio, R., Fragos, T., Hornschemeier, A., Luo, B., Xue, Y., Bauer, F., Gilfanov, M., Kalogera, V., Ranalli, P., Schneider, D., Shemmer, O., Tozzi, P., Trump, J., Vignali, C., Wang, J., Yukita, M., Zezas, A. (2016). Cosmic Evolution of X-ray Binary Populations: Probes of Changing Chemistry and Aging Stellar Populations in the Universe. American Astronomical Society, AAS Meeting #227, id.401.08. http://adsabs.harvard.edu/abs/2016AAS...22740108L
  • Brandt, W., Luo, B., Hall, P., Wu, J., Anderson, S., Garmire, G., Gibson, R., Plotkin, R., Richards, G., Schneider, D., Shemmer, O., Shen, Y. (2016). Exceptional X-ray Weak Quasars: Implications for Accretion Flows and Emission-Line Formation. American Astronomical Society, AAS Meeting #227, id.318.04. http://adsabs.harvard.edu/abs/2016AAS...22731804B
  • Paolillo, M., Papadakis, I., Brandt, W., Xue, Y., Luo, B., Tozzi, P., Shemmer, O., Allevato, V., Bauer, F., Koekemoer, A., Vignali, C., Vito, F., Yang, G., Wang, J., Zheng, X. (2016). Probing AGN Accretion History Through X-Ray Variability. Active Galactic Nuclei 12: A Multi-Messenger Perspective (AGN12), Napoli, Italy, 26-29 September 2016, id.39. https://zenodo.org/record/163795#.WjiMvmWN2cg
  • Vito, F., Gilli, R., Vignali, C., Brandt, W., Comastri, A., Yang, G., Lehmer, B., Luo, B., Basu-Zych, A., Bauer, F., Cappelluti, N., Koekemoer, A., Mainieri, V., Paolillo, M., Ranalli, P., Shemmer, O., Trump, J., Wang, J. (2016). The deepest X-ray view of high-redshift galaxies: constraints on low-rate black hole accretion. Active Galactic Nuclei 12: A Multi-Messenger Perspective (AGN12), Napoli, Italy, 26-29 September 2016, id.41. https://zenodo.org/record/163798#.WjiG8GWN2cg
  • Shemmer, O. (2016). Weak Emission-line Quasars in the Context of a Modified Baldwin Effect. American Astronomical Society, AAS Meeting #227, id.318.05. http://adsabs.harvard.edu/abs/2016AAS...22731805S
  • Lehmer, B., Basu-Zych, A., Mineo, S., Brandt, W., Eufrasio, R., Fragos, T., Hornschemeier, A., Luo, B., Xue, Y., Bauer, F., Gilfanov, M., Kalogera, V., Ranalli, P., Schneider, D., Shemmer, O., Tozzi, P., Trump, J., Vignali, C., Wang, J., Yukita, M., Zezas, A. (2016). X-ray Evolution of Normal Galaxies in the 6 Ms Chandra Deep Field-South. American Astronomical Society, HEAD meeting #15, id.104.02. http://adsabs.harvard.edu/abs/2016HEAD...1510402L
  • Brandt, W., Luo, B., Hall, P., Wu, J., Anderson, S., Garmire, G., Gibson, R., Just, D., Plotkin, R., Richards, G., Schneider, D., Shemmer, O., Shen, Y. (2015). Exceptional X-ray Weak Quasars: Implications for Accretion Flows. APS April Meeting 2015, abstract #X14.006. http://adsabs.harvard.edu/abs/2015APS..APRX14006B
  • Plotkin, R., Shemmer, O., Trakhtenbrot, B., Anderson, S.F. Brandt, W.N., Fan, X., Gallo, E., Lira, P., Luo, B., Richards, G.T., & Wu, J.. (2015). New Insights on Weak Emission Line Quasars from X-shooter Spectroscopy. American Astronomical Society, AAS Meeting #225, id.303.01. http://adsabs.harvard.edu/abs/2015AAS...22530301P
  • Shemmer, O., Brandt, W.N., Paolillo, M., Kaspi, S., Vignali, C., Stein, M.S., Lira, P., Schneider, D.P., & Gibson, R.R.. (2014). http://xmm.esac.esa.int/external/xmm_science/workshops/2014symposium/
  • Stein, M., Shemmer, O. et al.. (2014). The XMM-Newton View of Weak Emission-Line Quasars.
  • Shemmer, O., et al.. (2013). AGN Science with the LSST.
  • Trakhtenbrot, B., Netzer, H., Lira, P., Mor, R., & Shemmer, O.. (2013). Extreme Star Formation in the Host Galaxies of the Fastest Growing Supermassive Black Holes at z=4.8.
  • Shemmer, O., Brandt, W.N., Gibson, R.R., Kaspi, S., Schneider, D.P., & Vignali, C.. (2012). Exploratory X-ray Monitoring of High Redshift Radio-Quiet Quasars. American Astronomical Society, AAS Meeting #219, id.109.04. http://adsabs.harvard.edu/abs/2012AAS...21910904S
  • Plotkin, R.M., Anderson, S.F., Brandt, W.N., Markoff, S., Shemmer, O., & Wu, J.. (2012). Low-luminosity Blazars in WISE: A Mid-infrared View of Unification. American Astronomical Society, AAS Meeting #219, id.131.06. http://adsabs.harvard.edu/abs/2012AAS...21913106P
  • Trakhtenbrot, B., Netzer, H., Lira, P., & Shemmer, O.. (2012). Observing the Fast Growth of Black Holes at z~4.8. American Astronomical Society, AAS Meeting #219, id.403.05.
  • Wu, J., Brandt, W.N., Hall, P.B., Gibson, R.R., Richards, G.T., Schneider, D.P., Shemmer, O., Just, D.W., & Schmidt, S.J.. (2012). PHL 1811 Analogs: A Population of X-ray Weak Quasars. 460 San Francisco, ASP Conference Series, Astronomical Society of the Pacific, 2012., p.42. http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?2012ASPC..460...42W&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf
  • Gibson, R.R., et al. (including Shemmer, O.). (2011). AGN Science with LSST. American Astronomical Society, AAS Meeting #217, id.252.17; Bulletin of the American Astronomical Society, Vol. 43, 2011. http://adsabs.harvard.edu/abs/2011AAS...21725217G
  • Plotkin, R.M., Anderson, S.F., Brandt, W.N., Diamond-Stanic, A.M., Fan, X., MacLeod, C.L., Markoff, S., Schneider, D.P., & Shemmer, O.. (2011). Did Weak-line Quasars Just Begin an Active Phase?. American Astronomical Society, AAS Meeting #217, id.230.02; Bulletin of the American Astronomical Society, Vol. 43, 2011. http://adsabs.harvard.edu/abs/2011AAS...21723002P
  • Shemmer, O.. (2011). Exploratory X-ray Monitoring of High Redshift Radio-Quiet Quasars. The X-ray Universe 2011, Presentations of the Conference held in Berlin, Germany, 27-30 June 2011. http://xmm.esac.esa.int/external/xmm_science/workshops/2011symposium/
  • Young, J., Eracleous, M., Gronwall, C., Shemmer, O., Netzer, H., Sturm, E., & Ciardullo, R.. (2011). In Search of Quasar Host Galaxies. American Astronomical Society, AAS Meeting #217, id.421.04; Bulletin of the American Astronomical Society, Vol. 43, 2011. http://adsabs.harvard.edu/abs/2011AAS...21742104Y
  • Saez, C., Brandt, W. N., Shemmer, O., Chomiuk, L., Lopez, L. A., Marshall, H. L., Miller, B. P., & Vignali, C.. (2011). The X-Ray Properties of Typical High-redshift Radio-loud Quasars. The X-ray Universe 2011, Presentations of the Conference held in Berlin, Germany, 27-30 June 2011. http://xmm.esac.esa.int/external/xmm_science/workshops/2011symposium/
  • Shemmer, O., et al.. (2011). Weak-Line Quasars at High Redshift: Extremely High Accretion Rates or Anemic Broad-Line Regions?. American Astronomical Society, AAS Meeting #217, id.230.01; Bulletin of the American Astronomical Society, Vol. 43, 2011. http://adsabs.harvard.edu/abs/2011AAS...21723001S
  • Richards, G.T., et al. (including Shemmer, O.). (2010). Active-Galaxy Science withthe Large Synoptic Survey Telescope. American Astronomical Society, AAS Meeting #215, id.401.16; Bulletin of the American Astronomical Society, Vol. 42, p.220. http://adsabs.harvard.edu/abs/2010AAS...21540116R
  • Plotkin, R.M., Anderson, S.F., Brandt, W.N., Diamond-Stanic, A.M., Fan, X., Schnei- der, D.P., Shemmer, O., & Voges, W.. (2010). Chandra Scrutiny of Radio-Shy BL Lac Candidates From The SDSS. American Astronomical Society, HEAD meeting #11, id.33.05; Bulletin of the American Astronomical Society, Vol. 41, p.706. http://adsabs.harvard.edu/abs/2010HEAD...11.3305P
  • Young, J., Eracleous, M., Shemmer, O., Gronwall, C., Netzer, H., Lutz, D., Sturm, E., & Ciardullo, R.. (2010). In Search of Star-Forming Regions in the Host Galaxiesof Nearby Quasars. American Astronomical Society, AAS Meeting #215, id.411.04; Bulletin of the American Astronomical Society, Vol. 42, p.240. http://adsabs.harvard.edu/abs/2010AAS...21541104Y
  • Trakhtenbrot, B., Netzer, H., Lira, P., & Shemmer, O.. (2010). Probing the Evolution of Black Hole Mass Through Cosmic Time.
  • Lane, R.A., Shemmer, O., Diamond-Stanic, A.M., Fan, X., Anderson, S.F., Brandt, W.N., Richards, G.T., Schneider, D.P., & Strauss, M.A.. (2010). The Optical to Mid-Infrared Spectral Energy Distribution of Weak-Emission Line Quasars. American Astronomical Society, AAS Meeting #215, id.433.16; Bulletin of the American Astronomical Society, Vol. 42, p.372. http://adsabs.harvard.edu/abs/2010AAS...21543316L
  • Comins, M.L., Brandt, W.N., Gibson, R.R., Shemmer, O., Garmire, G.P., & Rafferty, D.A.. (2010). The X-Ray Properties of the Optically Brightest Mini-BAL Quasarsfrom the Sloan Digital Sky Survey Data Release 5. American Astronomical Society, AAS Meeting #215, id.411.31; Bulletin of the American Astronomical Society, Vol. 42, p.245. http://adsabs.harvard.edu/abs/2010AAS...21541131C
  • Brandt, W.N., et al. (including Shemmer, O.). (2009). Active-Galaxy Science with the Large Synoptic Survey Telescope. American Astronomical Society, AAS Meeting #213, id.460.12; Bulletin of the American Astronomical Society, Vol. 41, p.368. http://adsabs.harvard.edu/abs/2009AAS...21346012B
  • Shemmer, O., Brandt, W.N., Anderson, S.F., Diamond-Stanic, A.M., Fan, X., Richards, G.T., Schneider, D.P., & Strauss, M. A.. (2009). Multiwavelength Insights into the Nature of Weak Emission-Line Quasars at High Redshift. American Astronomical Society, AAS Meeting #213, id.316.07; Bulletin of the American Astronomical Society, Vol. 41, p.294. http://adsabs.harvard.edu/abs/2009AAS...21331607S
  • Shemmer, O., Brandt, W.N., Netzer, H., Maiolino, R., & Kaspi, S.. (2007). The Hard X-ray Spectral Slope as an Accretion-Rate Indicator in Radio-Quiet Active Galactic Nuclei. 2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, id.34.04; Bulletin of the American Astronomical Society, Vol. 38, p.951. http://adsabs.harvard.edu/abs/2006AAS...209.3404S
  • Vignali, C., Brandt, W.N., Shemmer, O., Steffen, A., Schneider, D.P., & Kaspi, S.; ed. L. Ho and J.-M. Wang. (2007). The Realm of the First Quasars in the Universe: The X-ray View', in 'The Central Engine of Active Galactic Nuclei. The Central Engine of Active Galactic Nuclei, ASP Conference Series, Vol. 373, proceedings of the conference held 16-21 October, 2006 at Xi'an Jioatong University, Xi'an, China. http://adsabs.harvard.edu/abs/2007ASPC..373..724V
  • Shemmer, O., & Brandt, W.N.. (2006). New XMM-Newton Spectroscopy of the Most Luminous and Distant Quasars. Proceedings of the The X-ray Universe 2005 (ESA SP-604). 26-30 September 2005, El Escorial, Madrid, Spain. Editor: A. Wilson, p.551. http://adsabs.harvard.edu/abs/2006ESASP.604..551S
  • Shemmer, O., Brandt, W.N., Netzer, H., Maiolino, R., & Kaspi, S.. (2006). The Hard X-ray Spectral Slope as an Accretion-Rate Indicator in Radio-Quiet Active Galactic Nuclei. American Astronomical Society, HEAD meeting #9, id.7.24; Bulletin of the American Astronomical Society, Vol. 38, p.353. http://adsabs.harvard.edu/abs/2006HEAD....9.0724S
  • Shemmer, O., Netzer, H., Maiolino, R., Oliva, E., Croom, S., & Corbett, E.; ed. G. Richards and P. Hall. (2004). A Metallicity-Accretion-Rate Relation in AGN, in 'AGN Physics with the SDSS'. AGN Physics with the Sloan Digital Sky Survey, Proceedings of a conference held in Princeton, NJ, USA, 27-31 July 2003, Edited by Gordon T. Richards and Patrick B. Hall, ASP Conference Series, Volume 311. San Francisco: Astronomical Society of the Pacific, 2004., p.407. http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?2004ASPC..311..407S&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf
  • Kaspi, S., Netzer, H., Maoz, D., Shemmer, O., Brandt, W.N., & Schneider D.P.. (2004). Reverberation Mapping of High-Redshift, High-Luminosity Quasars, in 'Coevolution of Black Holes and Galaxies'. Coevolution of Black Holes and Galaxies, from the Carnegie Observatories Centennial Symposia. Carnegie Observatories Astrophysics Series. Edited by L. C. Ho, 2004. Pasadena: Carnegie Observatories. http://adsabs.harvard.edu/abs/2004cbhg.sympE..30K
  • Kaspi, S., Netzer, H., Maoz, D., Shemmer, O., Brandt, W.N., & Schneider D.P.. (2003). Reverberation Mapping of High-Redshift, High-Luminosity Quasars. 290 615. Astronomical Society of the Pacific. http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?2003ASPC..290..615K&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf
  • Shemmer, O., & Netzer, H.. (2003). The Metallicity-Luminosity Relationship in AGN: The Case of Narrow Line Seyfert 1 Galaxies. 290 255. Astronomical Society of the Pacific. http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?2003ASPC..290..255S&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf
  • Brosch, N., & Shemmer, O.. (2000). Airglow and Meteor Rates over Israel during the 1999 Leonid Shower. Earth, Moon, and Planets, v. 82/83, p. 535-543 (1998). https://link.springer.com/article/10.1023%2FA%3A1017073003943

    • Journal Article

  • Chen, Y., Luo, B., Brandt, W.N., Zuo, W., Dix, C., Ha, T., Matthews, B., Paul, J., Plotkin, R., Shemmer, O. (2024). Rest-frame Optical Spectroscopy of Ten z ~ 2 Weak Emission-Line Quasars. The Astrophysical Journal. 972 (2) 191. AAS. https://iopscience.iop.org/article/10.3847/1538-4357/ad5f89/pdf
  • Ahmed, H., Shemmer, O., Matthews, B., Dix, C., Ha, T., Richards, G., Brotherton, M., Myers, A., Brandt, W., Gallagher, S., Green, R., Lira, P., McLane, J., Plotkin, R., Schneider, D. (2024). Gemini Near Infrared Spectrograph - Distant Quasar Survey: Rest-Frame Ultraviolet-Optical Spectral Properties of Broad Absorption Line Quasars. The Astrophysical Journal. 968 (2) 77. IOP. https://iopscience.iop.org/article/10.3847/1538-4357/ad3e69/pdf
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  • Vito, F., Gilli, R., Vignali, C., Brandt, W., Comastri, A., Yang, G., Lehmer, B., Luo, B., Basu-Zych, A., Bauer, F., Cappelluti, N., Koekemoer, A., Mainieri, V., Paolillo, M., Ranalli, P., Shemmer, O., Trump, J., Wang, J., Xue, Y. (2016). The deepest X-ray view of high-redshift galaxies: constraints on low-rate black hole accretion. Monthly Notices of the Royal Astronomical Society. 463 (1) 348-374. OUP. https://academic.oup.com/mnras/article-abstract/463/1/348/2589868?redirectedFrom=PDF
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  • Richard M. Plotkin, Ohad Shemmer, Benny Trakhtenbrot, Scott F. Anderson, W.N. Brandt, Xiaohui Fan, Elena Gallo, Paulina Lira, Bin Luo, Gordon T. Richards, Donald P. Schneider, Michael A. Strauss, & Jianfeng Wu. (2015). Detection of Rest-frame Optical Lines from X-shooter Spectroscopy of Weak Emission Line Quasars. The Astrophysical Journal. 805 (2) 123. IOP. http://iopscience.iop.org/0004-637X/805/2/123/pdf/0004-637X_805_2_123.pdf
  • Carniani, S., et al. (including Shemmer, O.). (2015). Ionised outflows in z ~ 2.4 quasar host galaxies. Astronomy & Astrophysics. 580 (A102) 13. EDP Sciences. http://http://www.aanda.org/articles/aa/pdf/2015/08/aa26557-15.pdf
  • Ohad Shemmer & Sara Lieber. (2015). Weak Emission-line Quasars in the Context of a Modified Baldwin Effect. The Astrophysical Journal. 805 (2) 124. IOP. http://iopscience.iop.org/0004-637X/805/2/124/pdf/0004-637X_805_2_124.pdf
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  • Shemmer, O., Brandt, W.N., Paolillo, M., Kaspi, S., Vignali, C., Stein, M.S., Lira, P., Schneider, D.P., & Gibson, R.R.. (2014). Exploratory X-ray Monitoring of Luminous Radio-Quiet Quasars at High Redshift: Initial Results. The Astrophysical Journal. 783 (2) 116. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/783/2/116/pdf
  • Young, J.E., Eracleous, M., Shemmer, O., Netzer, H., Gronwall, C., Lutz, D., Ciardullo, R., & Sturm, E.. (2014). Locating star-forming regions in quasar host galaxies. Monthly Notices of the Royal Astronomical Society. 438 (1) 217-239. OUP. https://watermark.silverchair.com/stt2145.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAAaswggGnBgkqhkiG9w0BBwagggGYMIIBlAIBADCCAY0GCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQM9RFqHashN4sSFWMgAgEQgIIBXqsnE-_pIPt-SAQ5SeU6eJeZ7xSluK1zk_c4Gw_1vKuskDDZ2vm8nS4al-R145LtXkae7Quj1iGcFetBbek4BQJKejuqUJRBHwoEACQy04J4e92oIkXxIFcg53hr3zStQ4y6K6tP1VW-qD4eRJu53xsvj3EWp3OIowgozWEDCI5zljIVMbWiP1ooY5Z_H4a6-sP_asPHwafyGFZrNe-TGoPWeRcnuhh-pJEFHDLY8H7d9dQPHUAEbpbZYkslUbS-_i_k11Asu3emwberx5tvpV3KU05pVCdH2GGSoQ7Fk3w94wMgP9dc5vfR2TiOOX-FpcFYSPA8cexuMY1Ftqd26BTLLpTRPhZ_QfFe_l4knBbSw-DGM0of2BBVd-8t5NPJAEghNhiDtv51GjJ6QgIr4Z_PL3qQ0XTOGanABE36VvMB0IsLxXPpUr474OJE8ULEVFgvbfH-UUgDHommijBt
  • Chelouche, D., Shemmer, O., Cotlier, G.I., Barth, A.J., & Rafter, Stephen E.. (2014). On the Performance of Quasar Reverberation Mapping in the Era of Time-domain Photometric Surveys. The Astrophysical Journal. 785 (2) 140. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/785/2/140/pdf
  • Netzer, H., Mor, R., Trakhtenbrot, B., Shemmer, O., & Lira, P.. (2014). Star Formation and Black Hole Growth at z~4.8. The Astrophysical Journal. 791 (1) 34. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/791/1/34/pdf
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  • Mor, R., Netzer, H., Trakhtenbrot, B., Shemmer, O., & Lira, P.. (2012). Extreme Star Formation in the Host Galaxies of the Fastest Growing Supermassive Black Holes at z=4.8. The Astrophysical Journal. 749 (2) 6. IOP. http://iopscience.iop.org/article/10.1088/2041-8205/749/2/L25/pdf
  • Cano-Díaz, M., Maiolino, R., Marconi, A., Netzer, H., Shemmer, O., & Cresci, G.. (2012). Observational Evidence of Quasar Feedback Quenching Star Formation at High Redshift. Astronomy & Astrophysics. 537 7. EDP Sciences. https://www.aanda.org/articles/aa/pdf/2012/01/aa18358-11.pdf
  • Lehmer, B.D., et al. (including Shemmer, O.). (2012). The 4 Ms Chandra Deep Field-South Number Counts Apportioned by Source Class: Pervasive Active Galactic Nuclei and the Ascent of Normal Galaxies. The Astrophysical Journal. 752 (1) 23. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/752/1/46/pdf
  • Plotkin, R.M., Anderson, S.F., Brandt, W.N., Markoff, S., Shemmer, O., & Wu, J.. (2012). The Lack of Torus Emission from BL Lacertae Objects: An Infrared View of Unification with WISE. The Astrophysical Journal. 745 (2) 6. IOP. http://iopscience.iop.org/article/10.1088/2041-8205/745/2/L27/pdf
  • Young, M., Brandt, W.N., Xue, Y.Q., Paolillo, M., Alexander, D.M., Bauer, F.E., Lehmer, B.D., Luo, B., Shemmer, O., Schneider, D.P., & Vignali, C.. (2012). Variability-Selected Low-Luminosity Active Galactic Nuclei in the 4 Ms Chandra Deep Field-South. The Astrophysical Journal. 748 (2) 17. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/748/2/124/pdf
  • Wu, J., Brandt, W.N., Anderson, S.F., Diamond-Stanic, A.M., Hall, P.B., Plotkin, R.M., Schneider, D.P., & Shemmer, O.. (2012). X-Ray and Multiwavelength Insights into the Nature of Weak Emission-line Quasars at Low Redshift. The Astrophysical Journal. 747 (1) 21. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/747/1/10/pdf
  • Wu, J., Brandt, W.N., Hall, P.B., Gibson, R.R., Richards, G.T., Schneider, D.P., Shemmer, O., Just, D.W., & Schmidt, S.J.. (2011). A Population of X-Ray Weak Quasars: PHL 1811 Analogs at High Redshift. The Astrophysical Journal. 736 (1) 21. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/736/1/28/pdf
  • Trakhtenbrot, B., Netzer, H., Lira, P., & Shemmer, O.. (2011). Black Hole Mass and Growth Rate at z ~= 4.8: A Short Episode of Fast Growth Followed by Short Duty Cycle Activity. The Astrophysical Journal. 730 (1) 15. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/730/1/7/pdf
  • Xue, Y. Q., et al. (including Shemmer, O.). (2011). The Chandra Deep Field-South Survey: 4 Ms Source Catalogs. The Astrophysical Journal Supplement. 195 (1) 31. IOP. http://iopscience.iop.org/article/10.1088/0067-0049/195/1/10/pdf
  • Lane, R.A., Shemmer, O., Diamond-Stanic, A.M., Fan, X., Anderson, S.F., Brandt, W.N., Plotkin, R.M., Richards, G.T., Schneider, D.P., & Strauss, M.A.. (2011). The Ultraviolet-to-mid-infrared Spectral Energy Distribution of Weak Emission Line Quasars. The Astrophysical Journal. 743 (2) 10. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/743/2/163/pdf
  • Saez, C., Brandt, W. N., Shemmer, O., Chomiuk, L., Lopez, L. A., Marshall, H. L., Miller, B. P., & Vignali, C.. (2011). The X-Ray Properties of Typical High-redshift Radio-loud Quasars. The Astrophysical Journal. 738 (1) 12. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/738/1/53/pdf
  • Alexander, D.M., et al. (including Shemmer, O.). (2011). X-Ray Spectral Constraints for z ≈ 2 Massive Galaxies: The Identification of Reflection-dominated Active Galactic Nuclei. The Astrophysical Journal. 738 (1) 13. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/738/1/44/pdf
  • Plotkin, R. M., et al. (including Shemmer, O.). (2010). Multiwavelength Observations of Radio-Quiet Quasars with Weak Emission Lines. The Astrophysical Journal. 721 (1) 562-575. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/721/1/562/pdf
  • Plotkin, R. M., et al. (including Shemmer, O.). (2010). Optically Selected BL Lacertae Candidates from the Sloan Digital Sky Survey Data Release Seven. The Astronomical Journal. 139 (2) 390-414. IOP. http://iopscience.iop.org/article/10.1088/0004-6256/139/2/390/pdf
  • Wu, J., Brandt, W.N., Comins, M.L., Gibson, R.R., Shemmer, O., Garmire, G.P., & Schneider, D.P.. (2010). The X-ray Properties of the Optically Brightest Mini-BAL Quasars from the Sloan Digital Sky Survey. The Astrophysical Journal. 724 (1) 762-778. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/724/1/762/pdf
  • Shemmer, O., et al.. (2010). Weak Line Quasars at High Redshift: Extremely High Accretion Rates or Anemic Broad-Line Regions?. The Astrophysical Journal. 722 (2) L152-L156. IOP. http://iopscience.iop.org/article/10.1088/2041-8205/722/2/L152/pdf
  • Miller, B. P., Brandt, W. N., Gibson, R. R., Garmire, G. P., & Shemmer, O.. (2009). A Chandra Survey of the X-ray Properties of Broad Absorption Line Radio-Loud Quasars. The Astrophysical Journal. 702 (2) 911-928. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/702/2/911/pdf
  • Diamond-Stanic, A. M., Fan, X., Brandt, W. N., Shemmer, O., et al.. (2009). High Redshift SDSS Quasars with Weak Emission Lines. The Astrophysical Journal. 699 (1) 782-799. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/699/1/782/pdf
  • Shemmer, O., Brandt, W. N., Anderson, S. F., Diamond-Stanic, A. M., Fan, X., Richards, G. T., Schneider, D. P., & Strauss, M. A.. (2009). X-ray Insights into the Na­ture of Weak Emission-Line Quasars at High Redshift. The Astrophysical Journal. 696 (1) 580-590. IOP. http://iopscience.iop.org/article/10.1088/0004-637X/696/1/580/pdf
  • Pastorello, A., et al. (including Shemmer, O.). (2008). Massive stars exploding in a He-rich circumstellar medium -I. Type Ibn (SN 2006jc-like) events. Monthly Notices of the Royal Astronomical Society. 389 (1) 113-130. OUP. https://watermark.silverchair.com/mnras0389-0113.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAAbowggG2BgkqhkiG9w0BBwagggGnMIIBowIBADCCAZwGCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQMChRQVRp8BrabTBygAgEQgIIBbUOsbnXkDrOnrEb8NlgwEsKHdCai3DnnN8GR4Lpd3b07eg7Pd8WUDwJnbDHd59WSOGLDT8qywBKYVPlCsLf1BXGqDuFKFLjpasg3F5wzcc9eEB_zpZ7K-UPvRvL-0DDKRlN9XEZnl44Mb4cKJCEdNoK_gqergJqpvwe2cAS0EepDqN6BOqRkNNhJmZbFTC3ZvXaHQSyDsqW9540N0hWZGxlE681c-d7LohmFjwqojLQ0VI3ciq2-ErFZR0Tvk1dluhTdMgipYxx_wdaoWfWDqaG8VdTA-GW-QFVKxa8OllW6Ua-DNy4JsulcZ3uo8Du54rppCmlGBjFI1gfD7pNFriz46CzyqfdDgNY2c-uuEJaSBxydyO1gb0DSM6dOTynyaNgMXjvyc-DXv4qTcPGnPg_Ks7NtIuf1V6tac1snkmWUyrakoFwFWtxI8vUzR0rSbm4PtVn2n0hd_xuxQ_PJbIToDFKrcxKCKBpLJvZC
  • Lutz, D., Sturm, E., Tacconi, L. J., Valiante, E., Schweitzer, M., Netzer, H., Maiolino, R., Andreani, P., Shemmer, O., & Veilleux, S.. (2008). Star Formation in the Hosts of High-z QSOs: Evidence from Spitzer PAH Detections. The Astrophysical Journal. 684 (2) 853-861. IOP. http://iopscience.iop.org/article/10.1086/590367/pdf
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  • Shemmer, O., Brandt, W.N., Netzer, H., Maiolino, R., & Kaspi, S.. (2008). The Hard X-ray Spectrum as a Probe for Black-Hole Growth in Radio-Quiet Active Galactic Nuclei. The Astrophysical Journal. 682 (1) 81-93. IOP. http://iopscience.iop.org/article/10.1086/588776/pdf
  • Netzer, H., Lira, P., Trakhtenbrot, B., Shemmer, O., & Cury, I.. (2007). Black-Hole Mass and Growth Rate at High Redshift. The Astrophysical Journal. 671 (2) 1256-1263. UCP. http://iopscience.iop.org/article/10.1086/523035/pdf
  • Maiolino, R., Shemmer, O., Imanishi, M., Netzer, H., Oliva, E., Lutz, D., & Sturm, E.. (2007). Dust covering factor, silicate emission, and star formation in luminous QSOs. Astronomy & Astrophysics. 468 (3) 979-992. EDP. https://www.aanda.org/articles/aa/pdf/2007/24/aa7252-07.pdf
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  • Lutz, D., et al. (including Shemmer, O.). (2007). PAH Emission and Star Formation in the Host of the z ∼ 2.56 Cloverleaf QSO. The Astrophysical Journal. 661 (1) L25-L28. UCO. http://iopscience.iop.org/article/10.1086/518537/pdf
  • Kaspi, S., Brandt, W.N., Maoz, D., Netzer, H., Schneider, D.P., & Shemmer, O.. (2007). Reverberation Mapping of High-Luminosity Quasars: First Results. The Astrophysical Journal. 659 (2) 997-1007. UCP. http://iopscience.iop.org/article/10.1086/512094/pdf
  • Just, D.W., Brandt, W.N., Shemmer, O., Steffen, A.T., Schneider, D.P., Chartas, G., & Garmire, G.P.. (2007). The X-Ray Properties of the Most Luminous Quasars from the Sloan Digital Sky Survey. The Astrophysical Journal. 665 (2) 1004-1022. UCP. http://iopscience.iop.org/article/10.1086/519990/pdf
  • Shemmer, O., Brandt, W.N., Schneider, D.P., Fan, X., Strauss, M.A., Diamond-Stanic, A.M., Richards, G.T., Anderson, S.F., Gunn, J.E., & Brinkmann, J.. (2006). Chandra Observations of the Highest Redshift Quasars from the Sloan Digital Sky Survey. The Astrophysical Journal. 644 (1) 86-99. UCP. http://iopscience.iop.org/article/10.1086/503543/pdf
  • Shemmer, O., Brandt, W.N., Netzer, H., Maiolino, R., & Kaspi, S.. (2006). The Hard X-ray Spectral Slope as an Accretion-Rate Indicator in Radio-Quiet Active Galactic Nuclei. The Astrophysical Journal. 646 (1) L29-L32. UCP. http://iopscience.iop.org/article/10.1086/506911/pdf
  • Shemmer, O., Brandt, W.N., Vignali, C., Schneider, D.P., Fan, X., Richards, G. T., & Strauss, M.A.. (2005). The X-Ray Spectral Properties and Variability of Luminous High-Redshift Active Galactic Nuclei. The Astrophysical Journal. 630 (2) 729-739. UCP. http://iopscience.iop.org/article/10.1086/432050/pdf
  • Shemmer, O., Brandt, W.N., Gallagher, S.C., Vignali, C., Boller, Th., Chartas, G., & Comastri, A.. (2005). XMM-Newton Spectroscopy of the Highly Polarized and Luminous Broad Absorption Line Quasar CSO 755. The Astronomical Journal. 130 (6) 2522-2528. UCP. http://iopscience.iop.org/article/10.1086/497830/pdf
  • Shemmer, O., Netzer, H., Maiolino, R., Oliva, E., Croom, S., Corbett, E., & Di Fabrizio, L.. (2004). Near Infrared Spectroscopy of High Redshift Active Galactic Nuclei. I. A Metallicity-Accretion Rate Relationship. The Astrophysical Journal. 614 (2) 547-557. UCP. http://iopscience.iop.org/article/10.1086/423607/pdf
  • Netzer, H., Shemmer, O., Maiolino, R., Oliva, E., Croom, S., Corbett, E., & Di Fabrizio, L.. (2004). Near Infrared Spectroscopy of High Redshift Active Galactic Nuclei. II. Disappearing Narrow Line Regions and the Role of Accretion. The Astrophysical Journal. 614 (2) 558-567. UCP. http://iopscience.iop.org/article/10.1086/423608/pdf
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  • Crenshaw, D.M. et al. (including Shemmer, O.). (2002). Reddening, Emission-Line, and Intrinsic Absorption Properties in the Narrow-Line Seyfert 1 Galaxy Arakelian 564. The Astrophysical Journal. 566 (1) 187-194. UCP. http://iopscience.iop.org/article/10.1086/338058/pdf
  • Gal-Yam, A., Ofek, E.O., & Shemmer, O.. (2002). Supernova 2002ap: the first month. Monthly Notices of the Royal Astronomical Society. 322 (4) L73-L77. OUP. https://watermark.silverchair.com/332-4-L73.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAAbYwggGyBgkqhkiG9w0BBwagggGjMIIBnwIBADCCAZgGCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQM6PXriRfs1_DWDZInAgEQgIIBaenYyB4xTUMXxHcT6sFfuUzhu-2tNwkkr6WUo40pQpW8zbUTT3MrdstyoQaZ1xoqVJs3nGIW5p62wld9wZWnsZdb7j4pnN7ldxTLCnSUJf4sysd_Uyrz5XwOk2BrKRBASaSiu1lzpFH2tFsE-AHqPb-xlmbMPXM94OMDrAfxA8Txq81V4vsI8FQvX7oAgmQTutrJjv1T5sbJZAXNeoMz7v0m40D5aByk1wxt5rFXjJPAtO26VcNnecL4je3mW_24BMx6BRplzFeOUR0roWBpI2S-2O3SHSBlQpK_saCceiMowJkvkDxbfqip9tu65LPLTXwz9ZA6B5gQM-_sj6YjuKO9DGZBcEc7AHP1fYyHV_LKpCUbMpYVnEuyO1y3qUvZ_bcBIFxIyVKU_FIFJUE03w6e6Ai9rG1dSFzAcFJJ-kjSMGSMjptG7G6R0iiroEL3gmKvnFbVE5Z4j3vvCqdKF_7-swrM_WwuKUo
  • Daniels, J., Brosch, N., Almoznino, E., Shemmer, O., Bowyer, S., & Lampton, M.. (2001). FAUST observations of ultraviolet sources in the directions of NGC 4038-39 and 6752. Monthly Notices of the Royal Astronomical Society. 324 (3) 580-598. OUP. https://watermark.silverchair.com/324-3-580.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAAbYwggGyBgkqhkiG9w0BBwagggGjMIIBnwIBADCCAZgGCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQMDw7yQQF-b7KpQScbAgEQgIIBacO8ybtXbBtTySKw1JIf_CbeiQRt4AZzw-GRwJO5m2LVxNySgihO5vh8ZaZy_PWd3YemJDfAcENcyEL4qrdPgeig5soCZdx8M7-kmCDuhWhFxnhZyen4jyVoHg0BKzIlbNQG8wAUQAwccx20m0SijxANqFPFvwVTWAa_s9mtAVpz1lbDG492BPonYk4TlEh97wilJjhEeJSitJ_Bi8l76fmdb_gq8XbO_nQdu7qrqPWrXQvNqgJlayVluBBbEeNDof-dFb4HAtTBwTtPYNu8b5EIUI3uvYL7bc_zNsG5_MuqJHu0AiUZVEFU1nJZp03xv74_tr_i5bdbzEBxUOU7qc81vh52VvnSe-JuUbZRDn4VhyTVXOJAH_cln0YS5HDdDeA5N7ygGqMYm6SQc26dAduV9_a6OZE2lC4OsXcLOBNMD2Q1HTMfZjX_EqtmG5L2jElUBGIEC5nA-8tyGycow34I4L1m1KXlPCg
  • Collier, S. et al. (including Shemmer, O.). (2001). Multiwavelength Monitoring of the Narrow-Line Seyfert 1 Galaxy Arakelian 564. II. Ultraviolet Continuum and Emission-Line Variability. The Astrophysical Journal. 561 (1) 146-161. UCP. http://iopscience.iop.org/article/10.1086/323234/pdf
  • Shemmer, O. et al.. (2001). Multiwavelength Monitoring of the Narrow-Line Seyfert 1 Galaxy Arakelian 564. III. Optical Observations and the Optical-UV-X-Ray Connec­tion. The Astrophysical Journal. 561 (1) 162-170. UCP. http://iopscience.iop.org/article/10.1086/323236/pdf
  • Lipkin, Y., Leibowitz, E.M., Retter, A., & Shemmer, O.. (2001). Nova Sagittarii 1998 (V4633 Sgr): a permanent superhump system or an asynchronous polar?. Monthly Notices of the Royal Astronomical Society. 328 (4) 1169-1180. OUP. https://watermark.silverchair.com/328-4-1169.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAAbgwggG0BgkqhkiG9w0BBwagggGlMIIBoQIBADCCAZoGCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQMux-56pCKQiFcU2lrAgEQgIIBa-xN1smyFQVxoyFEA8yUSakgXBklhJw8iEvSYBhg47_w-S34iOo_Cdp1TayyuY3xeXTXuDgt4ezVvYPSXNSOYH_Szde4yrhNB3COyUTWsm-ar9i6qTBahqgQRJMsNcUzok2LJxXRrXqLr_emcyXaECGTDXLnsq5pCLUTlHxFhVRAB05_kyuu874JprdU9cgwEIv4fttEYYN_yMztkoQPuAOSbKBWPQWslqwhDwmfVR4QZ28HjywqPyIZzO1D8x8VuX3cFU_sXkYGM1eVAuEZoxQgwJjQZ8KG_w8HZ0gJlOWEi5kyvW-SPI9OSOs3dDCP-xwttsD7i_gVvGxAPxRZ2uE0WxrEBo7xKldPwcJEwGOqsc89L67GiS9pjdC7yaEtzxEtIfMvbqB1oreSHnbYnhW87PygGf9NRPfdUfKpOgfQoPEd0yQmPA6v6t7FpCky6DbrjV5ZKIqstBS5I3tCyI6pxBAHyL8mFaOhuw
  • Alcock C., et al. (including Shemmer, O.). (2000). Binary Microlensing Events from the MACHO Project. The Astrophysical Journal. 541 (1) 270-297. UCP. http://iopscience.iop.org/article/10.1086/309393/pdf
  • Shemmer, O., Leibowitz, E.M., & Szkody, P.. (2000). Periodic microvariation of B416, a new luminous blue variable in M33. Monthly Notices of the Royal Astronomical Society. 311 (4) 698-706. OUP. https://watermark.silverchair.com/311-4-698.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAAbYwggGyBgkqhkiG9w0BBwagggGjMIIBnwIBADCCAZgGCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQMcz-AOMLPt_ugeQ8tAgEQgIIBaQDxMVvTi1GwaZqsTrsj7TeLDJ5rnX3Ihe9I6zPsoeWl2yzqtM3CsJz82zxy66sfZlvFC3JJMvd9Kq4_dHIwvWDZyCti9AKmxq2QH16TiRcVNZOFxQCgQNish5H4KWeUE0zIz9dM3yt9khqY8kQbOpjefWxvDDhMqpB1L53B3R3inDSD6TQagrWspEGcH6BPfSmGdfIzYBQichsKnH3hxxuLuGpZAjBwL7Kq-0WVc5OdyVi1O4tspn4UdBypQ1UzVslgfjUPd9ZWTWrloCBtw-coC_XE6i2L5f5NAUhZcuQ6rDWROrzQZ6GWEzfngOixYPZZnznPZGIwvuUQrcccY8IK1OzvhxtuHN3Fh-efTYP1lRGFh1FyLZ8s2dRUshUI0yOG6u10GHaJnBkrKPyerE2z6YyLddqSC3a6E4usitzPnGHl2fZoxcc_iV7PaJtbExyiTeyDUkgJUCpiQq3QuBsVgAdGRi3CyKo
  • Bennett, D.P., et al. (including Shemmer, O.). (1999). Discovery of a Planet Orbiting a Binary Star System from Gravitational Microlensing. Nature. 402 (6757) 57-59. AAAS. http://www.nature.com/articles/46990
  • Shemmer, O., & Kaspi, S.. (1999). The Discovery of a Nearby M Dwarf. The Observatory. 119 70-75. http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1999Obs...119...70S&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf

    • Newsletter

  • Gal-Yam, A., Ofek, E.O., & Shemmer, O.. (2002). SN 2002ap -peak brightness date (SN/GRB?).
  • Gal-Yam, A., Shemmer, O., & Dann, J.. (2002). Supernova 2002an in NGC 2575.
  • Gal-Yam, A., Shemmer, O., & Dann, J.. (2002). Supernova 2002ao in UGC 9299.
  • Gal-Yam, A., Shemmer, O., & Dann, J.. (2002). Supernova 2002ao in UGC 9299.
  • Gal-Yam, A., Shemmer, O., & Dann, J.. (2002). Supernova 2002ap in M74.
  • Shemmer, O.. (2001). Nova Aquilae 2001.
  • Benn, C.R., Vigotti, M., Holt, J., Shemmer, O., Takamizawa, K., Uemura, M., Kato, T., & Yamaoka, H.. (2001). Nova Aquilae 2001.
  • Fujii, M., Liller, W., Shemmer, O., Leibowitz, E.M., Dan, J., & Wagner, R.M.. (2001). Possible Nova in Puppis.
  • Gal-Yam, A., Shemmer, O., & Dann, J.. (2001). Supernova 2001bg in NGC 2608.
  • Gal-Yam, A., Shemmer, O., & Dann, J.. (2001). Supernova 2001dk in UGC 913.
  • Gal-Yam, A., Shemmer, O., & Dann, J.. (2001). Supernova 2001G in IC 677.
  • Gal-Yam, A., Shemmer, O., & Dann, J.. (2001). Supernova 2001X in NGC 5921.
  • Goranskij, V.P., Shugarov, S.Y., Katysheva, N.A., Shemmer, O., Retter, A., Chochol, D., & Pribulla, T.. (2000). Orbital Period and Oscillations in V723 Cassiopeiae.
  • Chochol, D., Pribulla, T., Shemmer, O., Retter, A., Shugarov, S.Y., Goranskij, V.P., & Katysheva, N.A.. (2000). V723 Cassiopeiae.
  • Shemmer, O., & Leibowitz, E.M.. (1998). Periodic Light Variation in B416. A Lumi­nous Blue Star in M33.
  • Ofek, E.O., Shemmer, O., & Gabzo, O.. (1995). On the period of VY Ursae Majoris.

    • On-line Data Catalog

  • Liu, T., Tozzi, P., Wang, J., Brandt, W., Vignali, C., Xue, Y., Schneider, D., Comastri, A., Yang, G., Bauer, F., Paolillo, M., Luo, B., Gilli, R., Wang, Q., Giavalisco, M., Ji, Z., Alexander, D., Mainieri, V., Shemmer, O., Koekemoer, A., Risaliti, G. (2017). VizieR Online Data Catalog: 16yrs of AGNs X-ray spectral analyses from 7Ms CDF-S (Liu+, 2017). VizieR On-line Data Catalog: J/ApJS/232/8. Originally published in: 2017ApJS..232....8L. http://cdsarc.u-strasbg.fr/viz-bin/Cat?cat=J%2fApJS%2f232%2f8&target=brief&msg=redirected%20by%20VizieR
  • Yang, G., Brandt, W., Luo, B., Xue, Y., Bauer, F., Sun, M., Kim, S., Schulze, S., Zheng, X., Paolillo, M., Shemmer, O., Liu, T., Schneider, D., Vignali, C., Vito, F., Wang, J. (2017). VizieR Online Data Catalog: 6Ms Chandra long-term analyses of AGNs (Yang+, 2016). VizieR On-line Data Catalog: J/ApJ/831/145. Originally published in: 2016ApJ...831..145Y. http://vizier.cfa.harvard.edu/viz-bin/VizieR?-source=J/ApJ/831/145
  • Luo, B., Brandt, W., Xue, Y., Lehmer, B., Alexander, D., Bauer, F., Vito, F., Yang, G., Basu-Zych, A., Comastri, A., Gilli, R., Gu, Q., Hornschemeier, A., Koekemoer, A., Liu, T., Mainieri, V., Paolillo, M., Ranalli, P., Rosati, P., Schneider, D., Shemmer, O., Smail, I., Sun, M., Tozzi, P., Vignali, C., Wang, J. (2017). VizieR Online Data Catalog: Chandra Deep Field-South survey: 7Ms sources (Luo+, 2017). VizieR On-line Data Catalog: J/ApJS/228/2. Originally published in: 2017ApJS..228....2L. http://vizier.cfa.harvard.edu/viz-bin/VizieR?-source=J/ApJS/228/2
  • Carniani, S., Marconi, A., Maiolino, R., Balmaverde, B., Brusa, M., Cano-Diaz, M., Cicone, C., Comastri, A., Cresci, G., Fiore, F., Feruglio, C., La Franca, F., Mainieri, V., Mannucci, F., Nagao, T., Netzer, H., Piconcelli, E., Risaliti, G., Schneider, R., Shemmer, O. (2016). VizieR Online Data Catalog: 2 QSOs SINFONI K-band datacubes (Carniani+, 2016). VizieR On-line Data Catalog: J/A+A/591/A28. Originally published in: 2016A&A...591A..28C. http://vizier.cfa.harvard.edu/viz-bin/VizieR?-source=J/A+A/591/A28
  • Lehmer, B., Basu-Zych, A., Mineo, S., Brandt, W., Eufrasio, R., Fragos, T., Hornschemeier, A., Luo, B., Xue, Y., Bauer, F., Gilfanov, M., Ranalli, P., Schneider, D., Shemmer, O., Tozzi, P., Trump, J., Vignali, C., Wang, J., Yukita, M., Zezas, A. (2016). VizieR Online Data Catalog: Evolution of ~6Ms CDF-S galaxies (Lehmer+, 2016). VizieR On-line Data Catalog: J/ApJ/825/7. Originally published in: 2016ApJ...825....7L. http://vizier.cfa.harvard.edu/viz-bin/VizieR?-source=J/ApJ/825/7

    • White Paper

  • Marshall, P., Anguita, T., Bianco, F., Bellm, E., Brandt, W., Clarkson, W., Connolly, A., Gawiser, E., Ivezic, Z., Jones, L., Lochner, M., Lund, M., Mahabal, A., Nidever, D., Olsen, K., Ridgway, S., Rhodes, J., Shemmer, O., al., e.t. (2017). Science-Driven Optimization of the LSST Observing Strategy. 312. https://arxiv.org/abs/1708.04058
  • Nandra, K. et al. (including Shemmer, O.). (2009). The Growth of Supermassive Black Holes Across Cosmic Time. Astro2010: The Astronomy and Astrophysics Decadal Survey, Science White Papers, no. 220. http://adsabs.harvard.edu/abs/2009astro2010S.220N

Presentations Given

    Invited Talk

  • Shemmer, O. (Author & Presenter), TEXAS Symposium 2024, Ohad Shemmer's Research Group, University of North Texas, University of North Texas, United States of America. (2024 - 2024).
  • Shemmer, O. (Author & Presenter), LSST@Europe5 Meeting, The LSST AGN Science Collaboration Roadmap, LSST, Porec, Croatia, Croatia. (2023 - 2023).
  • Shemmer, O. (Author & Presenter), Supermassive Black Hole Studies with the Legacy Survey of Space and Time - 2022: Getting Ready for Rubin Operations, The LSST AGN Science Collaboration Roadmap, LSST, Virtual, United States of America. (2022 - 2022).
  • Shemmer, O. (Other), Colloquium, Department of Astronomy and Astrophysics, The Pennsylvania State University, Placing High-Redshift Quasars in Perspective: a Gemini Near Infrared Spectroscopic Survey, The Pennsylvania State University, University Park, PA, United States of America. (2022 - 2022).
  • Shemmer, O. (Author & Presenter), Building Astronomy in Texas 2019, Astronomy at UNT, University of Texas at Dallas, UTD campus, Richardson, TX, United States of America. (2019 - 2019).
  • Shemmer, O. (Other), Colloquium, Department of Physics, University of Texas, Rio Grande Valley, Multiwavelength Diagnostics of Quasar Accretion Power, University of Texas, Rio Grande Valley, Brownsville, TX, United States of America. (2017 - 2017).
  • Shemmer, O. (Other), Colloquium, Department of Physics, University of Tulsa, Quasar Science in the Large Synoptic Survey Telescope Era, University of Tulsa, Tulsa, OK, United States of America. (2016 - 2016).
  • Shemmer, O. (Other), Colloquium, Department of Physics and Astronomy, University of Wyoming, Quasar Science in the Large Synoptic Survey Telescope Era, University of Wyoming, Laramie, WY, United States of America. (2015 - 2015).
  • Shemmer, O. (Other), Colloquium, Department of Physics, University of Texas at Dallas, Quasar Science in the Large Synoptic Survey Telescope Era, University of Texas at Dallas, Richardson, TX, United States of America. (2015 - 2015).
  • Shemmer, O. (Other), Physics Colloquium, Department of Physics, Texas A&M University, Commerce, Quasar Science in the Large Synoptic Survey Telescope Era, Texas A&M University, Commerce, Commerce, TX, United States of America. (2015 - 2015).
  • Shemmer, O. (Other), Colloquium, University of Amsterdam, Amsterdam, The Netherlands, Solving the Mystery of Weak Emission Line Quasars at High Redshift, University of Amsterdam, Amsterdam, The Netherlands, Netherlands. (2013 - 2013).
  • Shemmer, O. (Other), Colloquium, University of Bologna, Bologna, Italy, Solving the Mystery of Weak Emission Line Quasars at High Redshift, University of Bologna, Bologna, Italy, Italy. (2013 - 2013).
  • Shemmer, O. (Other), Colloquium, Baylor University, Waco, TX, Solving the Mystery of Weak Emission Line Quasars at High Redshift, Baylor University, Waco, TX, United States of America. (2012 - 2012).
  • Shemmer, O. (Other), Colloquium, Lowell Observatory, Flagstaff, AZ, Solving the Mystery of Weak Emission Line Quasars at High Redshift, Lowell Observatory, Flagstaff, AZ, United States of America. (2011 - 2011).
  • Shemmer, O. (Other), Colloquium, University of Texas at Arlington, Arlington, TX, Solving the Mystery of Weak Emission Line Quasars at High Redshift, University of Texas at Arlington, Arlington, TX, United States of America. (2011 - 2011).
  • Shemmer, O. (Other), Colloquium, Saint Mary’s University, Halifax, NS, Canada, Multiwavelength Insights into the Nature of Weak Emission-Line Quasars at High Redshift, Saint Mary’s University, Halifax, NS, Canada, Canada. (2010 - 2010).
  • Shemmer, O. (Other), Colloquium, Texas Christian University, Fort Worth, TX, Multiwavelength Insights into the Nature of Weak Emission-Line Quasars at High Redshift, Texas Christian University, Fort Worth, TX, United States of America. (2010 - 2010).
  • Shemmer, O. (Other), Seminar, Tel Aviv University, Tel Aviv, Israel, Multiwavelength Insights into the Nature of Weak Emission-Line Quasars at High Redshift, Tel Aviv University, Tel Aviv, Israel, Israel. (2010 - 2010).
  • Shemmer, O. (Other), Seminar, Technion, Haifa, Israel, Multiwavelength Insights into the Nature of Weak Emission-Line Quasars at High Redshift, Technion, Haifa, Israel, Israel. (2009 - 2009).
  • Shemmer, O. (Other), Colloquium, University of North Texas, Denton, TX, Tracing the History of Black-Hole Growth Across Cosmic Time, University of North Texas, Denton, TX, United States of America. (2008 - 2008).
  • Shemmer, O. (Other), Seminar, Technion, Haifa, Israel, A Multiwavelength View of Powerful Active Galactic Nuclei at High Redshift, Technion, Haifa, Israel, Israel. (2006 - 2006).
  • Shemmer, O. (Other), Colloquium, ESO, Garching, Germany, Probing Quasar Metal Enrichment and Energy Production at High Redshift, ESO, Garching, Germany, Germany. (2003 - 2003).
  • Shemmer, O. (Other), Seminar, Yale University, Newhaven, CT, Probing Quasar Metal Enrichment and Energy Production at High Redshift, Yale University, Newhaven, CT, United States of America. (2003 - 2003).

    • Oral Presentation

  • Shemmer, O. (Other), Seminar, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, Multiwavelength Insights into the Nature of Weak Emission-Line Quasars at High Redshift, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, United States of America. (2009 - 2009).

Media Contributions

    Internet

  • "UPDATED: Check Out These Events Celebrating the Total Solar Eclipse on April 8," Dallas Observer. (March 29, 2024).
  • "Leap Year Is Here, Y'all. Here's What That Means.," Dallas Observer. (February 13, 2024).
  • "LED lights are erasing our view of the stars — and it's getting worse," CBS News. (September 1, 2023).

Contracts, Grants, Sponsored Research

    Fellowship

  • Shemmer, O. (Other), "The Wiederman Paul award for academic excellence," sponsored by Tel Aviv University, Private, $1000 Funded. (2004 - 2004).

    • Grant - Research

  • Shemmer, O. (Principal), "Chandra Cycle 24, program #24700311," sponsored by Smithsonian Astrophysical Observatory, Federal, $192810 Funded. (2023 - 2025).
  • Li, Y. (Principal), Shemmer, O. (Co-Principal), "Building a Team for EXtragalactic AStrophysics (TEXAS) in the Dallas-Fort Worth Metroplex," sponsored by National Science Foundation, Federal, $214457 Funded. (2022 - 2024).
  • Shemmer, O. (Principal), "Collaborative Research: Placing High-Redshift Quasars in Perspective: a Gemini Near-Infrared Spectroscopic Survey," sponsored by National Science Foundation, Federal, $408633 Funded. (2018 - 2024).
  • Shemmer, O. (Principal), "Chandra Cycle 19, program #19700058," sponsored by Smithsonian Astrophysical Observatory, Federal, $75344 Funded. (2018 - 2022).
  • Shemmer, O. (Co-Principal), "HST Cycle 25, program #HST-GO-15118.002-A," sponsored by Space Telescope Science Institute, Federal, $62828 Funded. (2017 - 2021).
  • Shemmer, O. (Co-Principal), "Chandra Cycle 21, program #21700027," sponsored by Smithsonian Astrophysical Observatory, Federal, $5000 Funded. (2020 - 2021).
  • Shemmer, O. (Principal), "Chandra Cycle 19, program #19700313," sponsored by Smithsonian Astrophysical Observatory, Federal, $60000 Funded. (2018 - 2020).
  • Shemmer, O. (Principal), "XMM-Newton Cycle 15, program #78236," sponsored by NASA, Federal, $60111 Funded. (2016 - 2019).
  • Shemmer, O. (Principal), "Enabling Science Grant," sponsored by LSST Corporation, Private, $6500 Funded. (2016 - 2017).
  • Shemmer, O. (Principal), "Physics Seed Grant," sponsored by UNT, University of North Texas, $5000 Funded. (2016 - 2017).
  • Shemmer, O. (Principal), "XMM-Newton Cycle 14, program #76074," sponsored by NASA, Federal, $62300 Funded. (2015 - 2017).
  • Shemmer, O. (Principal), "XMM-Newton Cycle 11, program #69251," sponsored by NASA, Federal, $64900 Funded. (2012 - 2014).
  • Shemmer, O. (Principal), "Chandra Cycle 13, program #13700361," sponsored by Smithsonian Astrophysical Observatory, Federal, $51500 Funded. (2011 - 2014).
  • Shemmer, O. (Principal), "Spitzer Cycle 8, program #80093," sponsored by NASA/JPL, Federal, $5000 Funded. (2011 - 2014).
  • Shemmer, O. (Principal), "Chandra Cycle 12, program #12700318," sponsored by Smithsonian Astrophysical Observatory, Federal, $31308 Funded. (2011 - 2011).
  • Shemmer, O. (Co-Principal), "Herschel OT1, program #OT1_hnetzer_2," sponsored by NASA, Federal, $28600 Funded. (2011 - 2011).
  • Shemmer, O. (Principal), "Faculty Research Grant," sponsored by University of North Texas, University of North Texas, $7500 Funded. (2010 - 2010).
  • Shemmer, O. (Principal), "Junior Faculty Summer Research Fellowship," sponsored by University of North Texas, University of North Texas, $5000 Funded. (2010 - 2010).
  • Shemmer, O. (Principal), "Faculty Research Grant," sponsored by University of North Texas, University of North Texas, $5000 Funded. (2009 - 2009).
  • Shemmer, O. (Principal), "Junior Faculty Summer Research Fellowship," sponsored by University of North Texas, University of North Texas, $5000 Funded. (2009 - 2009).
  • Shemmer, O. (Principal), "XMM-Newton Cycle 7, program #55175," sponsored by NASA, Federal, $46700 Funded. (2009 - 2009).
  • Shemmer, O. (Principal), "Swift Cycle 4, program #04067," sponsored by NASA, Federal, $32000 Funded. (2008 - 2008).
  • Shemmer, O. (Co-Principal), "HST Cycle 16, program #HST-GO-11222.008-A," sponsored by Space Telescope Science Institute, Federal, $70000 Funded. (2007 - 2007).
  • Shemmer, O. (Co-Principal), "Spitzer Cycle 3, program #30314," sponsored by NASA, Federal, $17500 Funded. (2006 - 2006).
  • Shemmer, O. (Principal), "Spitzer Cycle 3, program #30476," sponsored by NASA, Federal, $30000 Funded. (2006 - 2006).
  • Shemmer, O. (Principal), "XMM-Newton Cycle 5, program #40207," sponsored by NASA, Federal, $67700 Funded. (2006 - 2006).
  • Shemmer, O. (Co-Principal), "Spitzer Cycle 2, program #20493," sponsored by NASA, Federal, $16500 Funded. (2005 - 2005).
  • Shemmer, O. (Principal), "XMM-Newton Cycle 4, program #30238," sponsored by NASA, Federal, $52500 Funded. (2005 - 2005).
  • Shemmer, O. (Principal), "Collaborative Research: Placing High-Redshift Quasars in Perspective: a Gemini Near-Infrared Spectroscopic Survey Collaborative Research: Placing High-Redshift Quasars in Perspective: a Gemini Near-Infrared Spectroscopic Survey," sponsored by National Science Foundation, FED, Funded. (2018 - 2023).
  • Shemmer, O. (Principal), "Chandra Cycle 19, program #19700058," sponsored by Smithsonian Astrophysical Observatory, Federal, Funded. (2018 - 2022).
  • Shemmer, O. (Principal), "Exploratory X-ray Monitoring of z>4 Radio-Quiet Quasars," sponsored by Smithsonian Astrophysical Observatory, NFP, Funded. (2018 - 2022).
  • Shemmer, O. (Co-Principal), "HST Cycle 25, program #HST-GO-15118.002-A," sponsored by Space Telescope Science Institute, Federal, Funded. (2017 - 2021).
  • Shemmer, O. (Principal), "Testing the Relevance of Mergers and Environment for the Fastest Growing Black Holes in the Most Intensely Star Forming Galaxies," sponsored by Association of Universities for Research, NFP, Funded. (2017 - 2021).
  • Shemmer, O. (Co-Principal), "Chandra Cycle 21, program #21700027," sponsored by Smithsonian Astrophysical Observatory, Federal, Funded. (2020 - 2021).
  • Shemmer, O. (Principal), "Hunting Down the First Heavily Obscured QSO at z > 6," sponsored by Smithsonian Astrophysical Observatory, NFP, Funded. (2020 - 2021).
  • Shemmer, O. (Principal), "Chandra Cycle 19, program #19700313," sponsored by Smithsonian Astrophysical Observatory, Federal, Funded. (2018 - 2020).
  • Shemmer, O. (Principal), "Identifying a Robust and Practical Quasar Accretion-Rate Indicator Using the Chandra Archive," sponsored by Smithsonian Astrophysical Observatory, NFP, Funded. (2018 - 2020).
  • Shemmer, O. (Principal), "WEAK LINE QUASARS AT HIGH REDSHIFT: EXTREMELY HIGH ACCRETION RATE SOURCES?," sponsored by National Aeronautics & Space Administrat, FED, Funded. (2016 - 2019).
  • Shemmer, O. (Principal), "XMM-Newton Cycle 14, program #76074," sponsored by NASA, Federal, Funded. (2015 - 2017).
  • Shemmer, O. (Principal), "Weak Line Quasars at High Redshift: Extremely High Accretion Rate Sources," sponsored by National Aeronautics & Space Administrat, FED, Funded. (2015 - 2017).
  • Shemmer, O. (Principal), "XMM-Newton Cycle 11, program #69251," sponsored by NASA, Federal, Funded. (2012 - 2014).
  • Shemmer, O. (Principal), "Chandra Cycle 13, program #13700361," sponsored by Smithsonian Astrophysical Observatory, Federal, Funded. (2011 - 2014).
  • Shemmer, O. (Principal), "Spitzer Cycle 8, program #80093," sponsored by NASA/JPL, Federal, Funded. (2011 - 2014).
  • Shemmer, O. (Principal), "Chandra Cycle 12, program #12700318," sponsored by Smithsonian Astrophysical Observatory, Federal, Funded. (2011 - 2011).
  • Shemmer, O. (Co-Principal), "Herschel OT1, program #OT1_hnetzer_2," sponsored by NASA, Federal, Funded. (2011 - 2011).
  • Shemmer, O. (Principal), "XMM-Newton Cycle 7, program #55175," sponsored by NASA, Federal, Funded. (2009 - 2009).
  • Shemmer, O. (Principal), "Swift Cycle 4, program #04067," sponsored by NASA, Federal, Funded. (2008 - 2008).
  • Shemmer, O. (Co-Principal), "HST Cycle 16, program #HST-GO-11222.008-A," sponsored by Space Telescope Science Institute, Federal, Funded. (2007 - 2007).
  • Shemmer, O. (Co-Principal), "Spitzer Cycle 3, program #30314," sponsored by NASA, Federal, Funded. (2006 - 2006).
  • Shemmer, O. (Principal), "Spitzer Cycle 3, program #30476," sponsored by NASA, Federal, Funded. (2006 - 2006).
  • Shemmer, O. (Principal), "XMM-Newton Cycle 5, program #40207," sponsored by NASA, Federal, Funded. (2006 - 2006).
  • Shemmer, O. (Co-Principal), "Spitzer Cycle 2, program #20493," sponsored by NASA, Federal, Funded. (2005 - 2005).
  • Shemmer, O. (Principal), "XMM-Newton Cycle 4, program #30238," sponsored by NASA, Federal, Funded. (2005 - 2005).

    • Grant - Service

  • Shemmer, O. (Principal), "LSST AGN Science Collaboration Roadmap Development Meeting," sponsored by LSST Corporation, NFP, Funded. (2016 - 2017).

Service

University Service

  • Member, Personnel Affairs Committee. (September 1, 2024 - Present).
  • Member, Space Committee. (September 1, 2024 - Present).
  • Other (Mentor), Junior Faculty Mentor. (January 1, 2024 - Present).
  • Member, Graduate Student Committee for Trung Ha. (May 2023 - Present).
  • Member, Research Roadmap Task Force. (2021 - Present).
  • Other (Mentor), Junior Faculty Mentor. (August 20, 2020 - Present).
  • Member, UNT RSAS Committee. (2019 - Present).
  • Chairperson, Astronomy Enrollment Ad-Hoc Committee. (2012 - Present).
  • Member, Astronomy Ad-Hoc Committee. (2008 - Present).
  • Discussant, New Faculty Network: Tuesday Talon Tidbits meeting. (September 3, 2024 - September 3, 2024).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (April 9, 2024 - April 9, 2024).
  • Chairperson, Physics Faculty Search Committee. (July 2023 - December 2023).
  • Committee Chair, Undergraduate Committee, Department of Physics. (August 17, 2021 - December 2023).
  • Guest Speaker, Physics Colloquium. (September 12, 2023 - September 12, 2023).
  • Chairperson, Physics Faculty Search Committee. (September 2022 - April 2023).
  • Guest Speaker, Astronomy Journal Club. (April 20, 2023 - April 20, 2023).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (February 14, 2023 - February 14, 2023).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (February 7, 2023 - February 7, 2023).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (November 8, 2022 - November 8, 2022).
  • Member, Physics Faculty Search Committee. (January 2022 - May 2022).
  • Guest Speaker, Physics Colloquium. (January 25, 2022 - January 25, 2022).
  • Member, Scholarship and Award Committee. (2020 - 2021).
  • Guest Speaker, Astronomy Journal Club. (February 1, 2021 - February 1, 2021).
  • Member, Graduate Committee. (2015 - 2020).
  • Guest Speaker, Astronomy Journal Club. (October 19, 2020 - October 19, 2020).
  • Committee Member, TAMS Research Symposium. (September 10, 2020 - September 10, 2020).
  • Guest Speaker, UNT Osher Lifelong Learning Institute. (July 22, 2020 - July 22, 2020).
  • Member, Graduate Student Committee for Joshua Young. (August 2018 - May 2020).
  • Chairperson, Physics Faculty Search Committee. (September 2019 - April 2020).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (April 6, 2020 - April 6, 2020).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (April 2, 2020 - April 2, 2020).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (April 1, 2020 - April 1, 2020).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (January 28, 2020 - January 28, 2020).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (October 9, 2018 - October 9, 2018).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (February 13, 2018 - February 13, 2018).
  • Guest Speaker, Physics Colloquium. (January 16, 2018 - January 16, 2018).
  • Member, Faculty Research Committee, UNT Faculty Senate. (2014 - 2017).
  • Chairperson, Physics Colloquium. (2014 - 2017).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (April 11, 2017 - April 11, 2017).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (February 28, 2017 - February 28, 2017).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (February 21, 2017 - February 21, 2017).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (October 4, 2016 - October 4, 2016).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (September 20, 2016 - September 20, 2016).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (February 16, 2016 - February 16, 2016).
  • Member, Undergraduate Committee, Department of Physics. (2015 - 2015).
  • Committee Chair, Undergraduate Committee, Department of Physics. (2009 - 2015).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (October 13, 2015 - October 13, 2015).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (September 15, 2015 - September 15, 2015).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (March 24, 2015 - March 24, 2015).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (February 26, 2015 - February 26, 2015).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (February 10, 2015 - February 10, 2015).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (February 3, 2015 - February 3, 2015).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (November 4, 2014 - November 4, 2014).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (October 14, 2014 - October 14, 2014).
  • Guest Speaker, Physics Colloquium. (September 16, 2014 - September 16, 2014).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (September 11, 2014 - September 11, 2014).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (May 6, 2014 - May 6, 2014).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (February 4, 2014 - February 4, 2014).
  • Workshop Organizer, Student recruitment event at Denton High School Career Day. (2013 - 2013).
  • Committee Member, Undergraduate physics research panel. (2013 - 2013).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (December 3, 2013 - December 3, 2013).
  • Guest Speaker, Physics Colloquium. (September 24, 2013 - September 24, 2013).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (April 2, 2013 - April 2, 2013).
  • Guest Speaker, Physics Colloquium. (November 13, 2012 - November 13, 2012).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (October 9, 2012 - October 9, 2012).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (2011 - 2011).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (October 2011 - October 2011).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (October 2011 - October 2011).
  • Guest Speaker, Physics Colloquium. (September 13, 2011 - September 13, 2011).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (April 2011 - April 2011).
  • Other (Consultant), Physics Faculty Search Committee. (2010 - 2010).
  • Grant Proposal Reviewer, Internal, Research Initiation Grant panel. (2010 - 2010).
  • Member, Election Judge, Department of Physics. (2008 - 2010).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (2009 - 2009).
  • Other (Colloquium Guest Speaker Host), Physics Colloquium. (2009 - 2009).
  • Guest Speaker, Physics Colloquium. (September 8, 2009 - September 8, 2009).
  • Guest Speaker, Physics Colloquium. (January 23, 2009 - January 23, 2009).

Public Service

  • Guest Speaker, St. Andrew Presbyterian Church. Denton, Texas. (November 6, 2024 - November 6, 2024).
  • Guest Speaker, Research on Tap. Denton, Texas. (July 20, 2022 - July 20, 2022).
  • Guest Speaker, Osher Lifelong Learning Institute. Frisco, Texas. (July 15, 2022 - July 15, 2022).
  • Other (Interview with a scientist as part of a high school student research project), Frisco Independent School District. Virtual/Zoom, TX. (October 12, 2020 - October 12, 2020).
  • Guest Speaker, McKinney Boyd High School Science Club. McKinney, Texas. (November 4, 2019 - November 4, 2019).
  • Other (Presenter), Haggard Middle School Career Day. Plano, Texas. (October 4, 2019 - October 4, 2019).
  • Guest Speaker, 50th Anniversary of Apollo 11 and the University of Texas at Dallas meeting. Richardson, Texas. (September 28, 2019 - September 28, 2019).
  • Guest Speaker, Texas Astronomical Society meeting. Richardson, Texas. (April 22, 2016 - April 22, 2016).
  • Other (Presenter), Haggard Middle School Career Day. Plano, Texas. (2013 - 2013).
  • Other (Judge), Haggard Middle School Science Fair. Plano, Texas. (2013 - 2013).
  • Guest Speaker (Presenter), Congregation Nishmat Am. Plano, Texas. (October 27, 2012 - October 27, 2012).
  • Guest Speaker (Presenter), Richland Community College (DCCCD). Dallas, Texas. (2011 - 2011).
  • Program Organizer (Presenter), University of North Texas. Denton, Texas. (2011 - 2011).
  • Program Organizer (Presenter), University of North Texas. Denton, Texas. (2011 - 2011).
  • Guest Speaker (Presenter), ‘Cafe Israel’ organization. Plano, Texas. (2011 - 2011).
  • Program Organizer (Presenter), University of North Texas. Denton, Texas. (2010 - 2010).
  • Program Organizer (Presenter), University of North Texas. Denton, Texas. (2009 - 2009).
  • Program Organizer (Presenter), University of North Texas. Denton, Texas. (2009 - 2009).
  • Guest Speaker (Presenter), The Pennsylvania State University. University Park, Pennsylvania. (2005 - 2008).
  • Other (Physics and astronomy instructor, including lectures, public outreach activities, and organizing the annual Astrophysics Olympiad for high-school students.), Tel Aviv University. Tel Aviv, (1996 - 2004).

Professional Service

  • Committee Member, University of Wyoming Graduate Student Committee Member. Laramie, WY. (April 2023 - Present).
  • Committee Member, NASA Extragalactic Database Users Committee - Advisory Panel. Pasadena, CA. (2021 - Present).
  • Reviewer, Journal Article, The Astrophysical Journal. (July 3, 2024 - July 11, 2024).
  • Reviewer, Journal Article, Astronomy & Astrophysics. (June 28, 2024 - July 3, 2024).
  • Session Chair, Chandra X-ray Observatory Time Allocation Committee. Virtual, (June 3, 2024 - June 27, 2024).
  • Attendee, Meeting, ALMA Proposal Preparation Workshop. College Station, TX. (April 3, 2024 - April 3, 2024).
  • Reviewer, Ad Hoc Reviewer, National Aeronautics and Space Administration. NASA Headquarters, DC. (March 2024 - March 2024).
  • Committee Chair, TEXAS Symposium 2024. Denton, TX. (March 29, 2024 - March 29, 2024).
  • Attendee, Meeting, 243rd American Astronomical Society meeting. New Orleans, LA. (January 2024 - January 2024).
  • Reviewer, Ad Hoc Reviewer, National Aeronautics and Space Administration. NASA Goddard Space Flight Center, MD. (2023 - 2023).
  • Reviewer, Ad Hoc Reviewer, National Aeronautics and Space Administration Postdoctoral Fellowship Program. Oak Ridge Associated Universities, TN. (March 24, 2023 - April 6, 2023).
  • Attendee, Meeting, 241st American Astronomical Society meeting. Seattle, WA. (January 2023 - January 2023).
  • Reviewer, Ad Hoc Reviewer, National Aeronautics and Space Administration Postdoctoral Fellowship Program. Oak Ridge Associated Universities, TN. (December 5, 2022 - December 6, 2022).
  • Reviewer, Ad Hoc Reviewer, National Aeronautics and Space Administration Astrophysics Archive Committee. NASA Goddard Space Flight Center, MD. (November 4, 2022 - November 9, 2022).
  • Session Chair, National Science Foundation NOIRLab Time Allocation Committee. Tucson, AZ. (October 31, 2022 - November 4, 2022).
  • Session Chair (Invited Speaker), Supermassive Black Hole Studies with the Legacy Survey of Space and Time - 2022: Getting Ready for Rubin Operations. Virtual, Virtual. (July 26, 2022 - July 28, 2022).
  • Session Chair, National Science Foundation NOIRLab Time Allocation Committee. Tucson, AZ. (May 2, 2022 - May 6, 2022).
  • Session Chair, National Science Foundation NOIRLab Time Allocation Committee. Tucson, AZ. (October 2021 - October 2021).
  • Attendee, Meeting (Invited Speaker), Gemini Observatory Science Meeting. Virtual, Virtual. (August 23, 2021 - August 26, 2021).
  • Attendee, Meeting (Invited Speaker), Rubin Observatory Project and Community Workshop (Rubin 2021). Virtual, Virtual. (August 9, 2021 - August 13, 2021).
  • Reviewer, Journal Article, The Astrophysical Journal. (July 2021 - July 2021).
  • Attendee, Meeting (Invited Speaker), Supermassive Black Hole Studies with the Legacy Survey of Space and Time (LSST). Virtual, Virtual. (July 12, 2021 - July 14, 2021).
  • Session Chair, National Science Foundation NOIRLab Time Allocation Committee. Tucson, AZ. (May 2021 - May 2021).
  • Member, National Science Foundation NOIRLab Proposal Preparation. Tucson, Arizona. (March 2021 - May 2021).
  • Attendee, Meeting (Invited Speaker), Rubin-Athena Synergy Workshop. Virtual, Virtual. (April 19, 2021 - April 23, 2021).
  • Reviewer, Grant Proposal, National Science Foundation Graduate Research Fellowship Program. Alexandria, VA. (January 2021 - January 2021).
  • Reviewer, Journal Article, The Astrophysical Journal. (2020 - 2020).
  • Session Chair, National Science Foundation NOIRLab Time Allocation Committee. Tucson, AZ. (November 2020 - November 2020).
  • Attendee, Meeting, 235th American Astronomical Society meeting. Honolulu, HI. (January 2020 - January 2020).
  • Reviewer, Grant Proposal, National Science Foundation Graduate Research Fellowship Program. Alexandria, VA. (January 2020 - January 2020).
  • Committee Member, NASA Extragalactic Database Users Committee - Advisory Panel. Pasadena, CA. (2019 - 2019).
  • Reviewer, Grant Proposal, National Science Foundation Graduate Research Fellowship Program. Alexandria, VA. (2019 - 2019).
  • Committee Member, Universita Degli Studi di Bologna. Bologna, (November 2019 - November 2019).
  • Attendee, Meeting, 233rd American Astronomical Society meeting. Seattle, WA. (January 2019 - January 2019).
  • Attendee, Meeting (Invited Speaker), Building Astronomy in Texas meeting, University of Texas at Dallas. Richardson, TX. (January 2019 - January 2019).
  • Reviewer, Journal Article, Monthly Notices of the Royal Astronomical Society. (2018 - 2018).
  • Committee Member, NASA Extragalactic Database Users Committee - Advisory Panel. Pasadena, CA. (2018 - 2018).
  • Reviewer, Journal Article, The Astrophysical Journal. (2018 - 2018).
  • Attendee, Meeting, 232nd American Astronomical Society meeting. Denver, CO. (June 2018 - June 2018).
  • Attendee, Meeting (Invited Speaker), "Unveiling the Physics Behind Extreme AGN Variability" meeting. St. Thomas, US Virgin Islands. (2017 - 2017).
  • Program Organizer, 229th American Astronomical Society meeting. Grapevine, TX. (2017 - 2017).
  • Committee Member, NASA Extragalactic Database Users Committee - Advisory Panel. Pasadena, CA. (2017 - 2017).
  • Committee Member, Universita Degli Studi di Napoli "Federico II". Napoli, (March 2017 - March 2017).
  • Attendee, Meeting (Contributed Talks), 227th American Astronomical Society meeting. Kissimmee, FL. (2016 - 2016).
  • Member, Large Synoptic Survey Telescope AGN Science Collaboration. (2016 - 2016).
  • Reviewer, Journal Article, Monthly Notices of the Royal Astronomical Society. (2016 - 2016).
  • Committee Member, NASA Extragalactic Database Users Committee. Pasadena, CA. (2016 - 2016).
  • Reviewer, Journal Article, The Astrophysical Journal. (2016 - 2016).
  • Reviewer, Grant Proposal, Chandra X-ray Observatory Time Allocation Committee. Boston, MA. (2015 - 2015).
  • Reviewer, Grant Proposal, Fermi Gamma-ray Space Telescope Time Allocation Committee. Annapolis, MD. (2015 - 2015).
  • Committee Member, LSST Observing Strategy meeting. Tucson, AZ. (2015 - 2015).
  • Attendee, Meeting (Invited Speaker), LSST Observing Strategy Workshop 2015. Bremerton, WA. (2015 - 2015).
  • Reviewer, Journal Article, Science Magazine. (2015 - 2015).
  • Attendee, Meeting (Invited Speaker), Building Astronomy in Texas meeting, Texas A&M University. College Station, TX. (September 2015 - September 2015).
  • Attendee, Meeting (Contributed Student Poster), 223rd American Astronomical Society meeting. National Harbor, MD. (2014 - 2014).
  • Attendee, Meeting (Invited Speaker), The Inner Regions of Quasars meeting. Austin, TX. (2014 - 2014).
  • Attendee, Meeting (Contributed Poster), The X-ray Universe 2014 meeting. Dublin, (2014 - 2014).
  • Attendee, Meeting (one contributed poster, one contributed talk), 221st American Astronomical Society meeting. Long Beach, CA. (2013 - 2013).
  • Attendee, Meeting (contributed talk), LSST@Europe: the Path to Science. Cambridge, (2013 - 2013).
  • Committee Member, NASA Extragalactic Database Users Committee. Pasadena, CA. (2013 - 2013).
  • Attendee, Meeting (Participant), Radio Astronomy in the LSST Era meeting. Charlottesville, VA. (2013 - 2013).
  • Attendee, Meeting (contributed talk), Swift Science Planning Meeting. State College, PA. (2013 - 2013).
  • Attendee, Meeting (two contributed talks), The Restless Nature of AGN meeting. Naples, (2013 - 2013).
  • Committee Chair (three contributed talks, session Chair), 219th American Astronomical Society meeting. Austin, TX. (2012 - 2012).
  • Attendee, Meeting (Participant), Large Synoptic Survey Telescope All-Hands Meeting. Tucson, AZ. (2012 - 2012).
  • Attendee, Meeting (three contributed talks, one contributed poster), 217th American Astronomical Society meeting. Seattle, WA. (2011 - 2011).
  • Attendee, Meeting (two contributed talks), `The X-ray Universe 2011', European Space Agency meeting. Berlin, (2011 - 2011).
  • Committee Chair (four contributed posters, session Chair, abstract sorter), 215th American Astronomical Society meeting. Washington, DC. (2010 - 2010).
  • Attendee, Meeting (contributed talk, contributed poster), 213th American Astronomical Society meeting. Long Beach, CA. (2009 - 2009).
  • Attendee, Meeting (contributed poster), Five Years of Swift meeting. State College, PA. (2009 - 2009).
  • Attendee, Meeting (contributed talk), 'Obscured AGN Across Cosmic Time' 2007 meeting. Seeon, Bavaria. (2007 - 2007).
  • Attendee, Meeting (contributed talk), 209th American Astronomical Society 2007 meeting. Seattle, WA. (2007 - 2007).
  • Attendee, Meeting (contributed talk), X-ray Surveys: Evolution of Accretion, Star-Formation and the Large Scale Structure' 2007 meeting. Rodos, (2007 - 2007).
  • Attendee, Meeting (Invited Speaker), 'Active Galactic Nuclei: From Atoms to Black Holes' meeting. Tel Aviv, (2006 - 2006).
  • Attendee, Meeting (contributed poster), High Energy Astrophysics Division 2006 meeting. San Francisco, CA. (2006 - 2006).
  • Attendee, Meeting (contributed talk), 'The X-ray Universe 2005' meeting. El Escorial, Madrid. (2005 - 2005).
  • Attendee, Meeting (Invited Speaker), 'The 2004 Ringberg Castle Workshop on AGN Physics' meeting. Ringberg Castle, (2004 - 2004).
  • Attendee, Meeting (contributed talk), 'AGN Physics with the SDSS' meeting. Princeton, NJ. (2003 - 2003).
  • Attendee, Meeting (contributed poster), 'Active Galactic Nuclei: from Central Engine to Host Galaxy' meeting. Meudon, (2002 - 2002).
  • Attendee, Meeting (contributed poster), Guillermo Haro Advanced Lectures, 'The Starburst-AGN Connection'. Tonantzintla, Puebla. (2000 - 2000).
  • Attendee, Meeting (contributed talk), Meeting on the 1999 Leonid Meteor Storm, 'Leonids 1999'. Tel Aviv, (2000 - 2000).
  • Attendee, Meeting (contributed poster), WE-Heraeus-seminar no. 226, 'Observational and theoretical progress in the study of Narrow-line Seyfert 1 galaxies'. Bad-Honnef, (1999 - 1999).