Research output per year
Research output per year
Personal profile
Research Interests
Observational Cosmology
Quasars and Active Galactic Nuclei
Galaxy Formation and Evolution
Surveys and Time-Domain Science
Professional Information
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.
Teaching
Office Address
124 Astronomy
1002 W. Green St.
Urbana, IL
Office Phone
Education/Academic qualification
Astronomy, PHD, Princeton University
Sep 1 2005 → Aug 31 2009
Award Date: Oct 1 2009
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A characteristic optical variability time scale in astrophysical accretion disks
Burke, C. J., Shen, Y., Blaes, O., Gammie, C. F., Horne, K., Jiang, Y. F., Liu, X., McHardy, I. M., Morgan, C. W., Scaringi, S. & Yang, Q., Aug 13 2021, In: Science. 373, 6556, p. 789-792 4 p.Research output: Contribution to journal › Article › peer-review
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A hidden population of high-redshift double quasars unveiled by astrometry
Shen, Y., Chen, Y. C., Hwang, H. C., Liu, X., Zakamska, N., Oguri, M., Li, J. I. H., Lazio, J. & Breiding, P., Jun 2021, In: Nature Astronomy. 5, 6, p. 569-574 6 p.Research output: Contribution to journal › Article › peer-review
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A novel test of quasar orientation
Richards, G. T., Plotkin, R. M., Hewett, P. C., Rankine, A. L., Rivera, A. B., Shen, Y. & Shemmer, O., Jun 10 2021, In: Astrophysical Journal Letters. 914, 1, ac0256.Research output: Contribution to journal › Article › peer-review
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A Sample Bias in Quasar Variability Studies
Shen, Y. & Burke, C. J., Sep 1 2021, In: Astrophysical Journal Letters. 918, 1, L19.Research output: Contribution to journal › Article › peer-review
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Discovery of a candidate binary supermassive black hole in a periodic quasar from circumbinary accretion variability
Liao, W. T., Chen, Y. C., Liu, X., Miguel Holgado, A., Guo, H., Gruendl, R., Morganson, E., Shen, Y., Davis, T., Kessler, R., Martini, P., McMahon, R. G., Allam, S., Annis, J., Avila, S., Banerji, M., Bechtol, K., Bertin, E., Brooks, D., Buckley-Geer, E. & 50 others, , Jan 1 2021, In: Monthly Notices of the Royal Astronomical Society. 500, 3, p. 4025-4041 17 p.Research output: Contribution to journal › Article › peer-review