description Donald P. Schneider Overview
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 lead author of the SDSS Data Release 7 quasar catalog, published in 2010 and containing 105,783 spectroscopically confirmed quasars.
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What did Donald P. Schneider research?
Donald P. Schneider studied quasars, active galactic nuclei, and large astronomical surveys. His work helped organize and analyze large samples of distant active objects.
What was Donald P. Schneider's role in the Sloan Digital Sky Survey?
He contributed extensively to the Sloan Digital Sky Survey, including its quasar catalog. That work helped astronomers identify and document large populations of quasars across the sky.
Where was Donald P. Schneider a professor?
He was a professor at Pennsylvania State University. His academic work connected observational astronomy with large survey databases.
Why are quasar catalogs important?
Quasars are extremely bright active galactic nuclei that can be seen across enormous distances. A large catalog lets researchers compare their positions, brightness, and spectra to study the distant universe.
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