Top Results for Quasars

Martin Elvis is an astronomer specializing in modern astrophysics. He’s particularly recognized for his pioneering work analyzing X-ray emissions from quasars and active galactic nuclei. His research significantly advanced our understanding of these extremely luminous objects at the centers of galax...

Michael Strauss is an American astronomer and professor of astrophysical sciences at Princeton University. He is widely recognized for his extensive work with the Sloan Digital Sky Survey (SDSS), a major multi-institutional project that created highly detailed 3D maps of the universe. His specific r...

John Gatenby Bolton was a British-Australian astronomer who played a crucial role in the development of radio astronomy. He is best known for identifying the first discrete radio sources, such as Centaurus A and Virgo A, proving they originated from distant galaxies rather than stars within the Milk...

Belinda Wilkes is a British astrophysicist and a senior researcher at the Smithsonian Astrophysical Observatory in Cambridge, Massachusetts. From 2014 to 2020, she served as the director of the Chandra X-ray Center, managing the science and flight operations of NASA's Chandra X-ray Observatory. Her...

Xiaohui Fan is a Chinese-American astronomer and a professor at the University of Arizona's Steward Observatory. He is recognized for his observational work on high-redshift quasars, using large sky surveys like the Sloan Digital Sky Survey to identify some of the most distant known quasars. His res...

Donald G. York is an American astronomer associated with the University of Chicago. His research has covered quasars, the interstellar medium, and large astronomical surveys. York served as the founding director of the Sloan Digital Sky Survey, which combined wide-field imaging with spectroscopy to...

Donald P. Schneider is an American astronomer whose research has included quasars, active galactic nuclei, and large astronomical surveys. He was a professor at Pennsylvania State University and contributed extensively to the Sloan Digital Sky Survey, including its quasar catalogs. Schneider was the...

Jesse L. Greenstein was an American astronomer whose research centered on stellar spectroscopy and the physical properties of stars. Working at the California Institute of Technology, he made important studies of white dwarfs, stellar chemical composition, and unusual stellar spectra, and he partici...

Chris Impey is a British-born astronomer and professor at the University of Arizona. His research has included observational cosmology and the study of galaxies, quasars, and active galactic nuclei, while his teaching and public writing explain astronomy to non-specialist audiences. He has also writ...

Nathalie Palanque-Delabrouille is a French astrophysicist whose research uses quasar observations and large survey data to study cosmology. She has led or contributed to analyses associated with the Sloan Digital Sky Survey and the Dark Energy Spectroscopic Instrument, including work that constrains...