Contact Information
1002 W. Green St.
Urbana, IL
Research Interests
Observational Cosmology
Quasars and Active Galactic Nuclei
Galaxy Formation and Evolution
Surveys and Time-Domain Science
Research Description
I am an extragalactic observer. I mainly work on a range of topics centered on quasars and supermassive black holes (SMBHs), to understand the physics and evolution of these exotic objects in the cosmological context. Specifically, I work on the large-scale structure traced by quasars, the demography of SMBHs as a function of cosmic time, the phenomenology and physics of black hole accretion, and the co-evolution of black holes and host galaxies. I use multi-wavelength survey data and dedicated observing programs to carry out these studies.
Education
Astronomy, PHD, Princeton University
Additional Campus Affiliations
Professor, Astronomy
Professor, National Center for Supercomputing Applications (NCSA)
External Links
Recent Publications
Burke, C. J., Liu, X., & Shen, Y. (2024). Gemini near-infrared spectroscopy of high-redshift Fermi Blazars: Jetted Black Holes in the early universe were overly massive. Monthly Notices of the Royal Astronomical Society, 527(3), 5356-5365. Article stad3592. https://doi.org/10.1093/mnras/stad3592
Li, J., Zhuang, M. Y., & Shen, Y. (2024). JWST Confirms the Nature of CID-42. Astrophysical Journal, 961(1), Article 19. https://doi.org/10.3847/1538-4357/ad0e0d
Sharp, H. W., Homayouni, Y., Trump, J. R., Anderson, S. F., Assef, R. J., Brandt, W. N., Davis, M. C., Fries, L. B., Grier, C. J., Hall, P. B., Horne, K., Koekemoer, A. M., Martínez-Aldama, M. L., Menezes, D. M., Pena, T., Ricci, C., Schneider, D. P., Shen, Y., & Trakhtenbrot, B. (2024). The Sloan Digital Sky Survey Reverberation Mapping Project: Investigation of Continuum Lag Dependence on Broad-line Contamination and Quasar Properties. Astrophysical Journal, 961(1), Article 93. https://doi.org/10.3847/1538-4357/ad0cea
Shen, Y., Grier, C. J., Horne, K., Stone, Z., Li, J. I., Yang, Q., Homayouni, Y., Trump, J. R., Anderson, S. F., Brandt, W. N., Hall, P. B., Ho, L. C., Jiang, L., Petitjean, P., Schneider, D. P., Tao, C., Donnan, F. R., AlSayyad, Y., Bershady, M. A., ... Zou, H. (2024). The Sloan Digital Sky Survey Reverberation Mapping Project: Key Results. Astrophysical Journal, Supplement Series, 272(2), Article 26. https://doi.org/10.3847/1538-4365/ad3936
Zeltyn, G., Trakhtenbrot, B., Eracleous, M., Yang, Q., Green, P., Anderson, S. F., LaMassa, S., Runnoe, J., Assef, R. J., Bauer, F. E., Brandt, W. N., Davis, M. C., Frederick, S. E., Fries, L. B., Graham, M. J., Grogin, N. A., Guolo, M., Hernández-García, L., Koekemoer, A. M., ... Kollmeier, J. A. (2024). Exploring Changing-look Active Galactic Nuclei with the Sloan Digital Sky Survey V: First Year Results. Astrophysical Journal, 966(1), Article 85. https://doi.org/10.3847/1538-4357/ad2f30