Joel Stebbins
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'''Joel Stebbins''' ([[July 30]] [[1878]] – [[March 16]] [[1966]]) was an [[United States|American]] [[astronomer]] who pioneered [[photoelectric]] [[Photometry (astronomy)|photometry]] in [[astronomy]]. He earned his Ph.D at the [[University of California]]. He was director of [[University of Illinois at Urbana-Champaign|University of Illinois]] observatory from 1903 to 1922 and the [[Washburn Observatory]] at the [[University of Wisconsin-Madison]] from 1922 to 1948. After 1948, Stebbins continued his research at [[Lick Observatory]] until his final retirement in 1958.
Stebbins brought photoelectric photometry from its infancy in the early 1900s to a mature technique by the 1950s, when it succeeded [[photography]] as the primary method of photometry. Stebbins used the new technique to investigate [[eclipsing binaries]], the reddening of starlight by [[interstellar dust]], colors of [[galaxies]], and [[variable stars]].
==Honors==
'''Awards'''
*[[Rumford Prize]] of the [[American Academy of Arts and Sciences]] (1913)
*[[Henry Draper Medal]] of the [[United States National Academy of Sciences|National Academy of Sciences]] (1915)
*[[Bruce Medal]] of the [[Astronomical Society of the Pacific]] (1941)
*[[Gold Medal of the Royal Astronomical Society]] (1950)
*[[Henry Norris Russell Lectureship]] of the [[American Astronomical Society]] (1956)
'''Named after him'''
*[[Stebbins (crater)|Stebbins crater]] on the [[Moon]]
*[[Asteroid]] [[2300 Stebbins]]
==See also==
*[[University of Illinois Observatory]]
==References==
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[[Category:1878 births]]
[[Category:1966 deaths]]
[[Category:American astronomers]]
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[[ja:ジョエル・ステビンス]]