Donald Edward Osterbrock

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Donald Edward Osterbrock (born July 13, 1924 in Cincinnati , † January 11, 2007 in Santa Cruz ) was an American astronomer .

Easter Brock grew up in Cincinnati ( Ohio on). He was a student of Subramanyan Chandrasekhar at the University of Chicago , where he received his doctorate in 1952. He later worked at Princeton University , the University of Wisconsin, and the California Institute of Technology . From 1973 he was at the University of California, Santa Cruz , where he headed the Lick Observatory from 1973 to 1981 .

Osterbrock was particularly concerned with spectroscopic observations of active galactic nuclei and the physics of the ionized gas in these objects and in gas nebulae in our Milky Way. He is the author of an influential textbook on these subjects.

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The asteroid (6107) Osterbrock was named after him.

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