Harold D. Babcock
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Harold Delos Babcock (January 24, 1882 – April 8, 1968) was an American astronomer. He was of English and German ancestry.[1] He was born in Edgerton, Wisconsin, before completing high school in Los Angeles and was accepted to the University of California, Berkeley in 1901.[2] He studied electrical engineering and graduated in 1907. After that he worked briefly for NIST, and as an instructor in Berkeley, until he was proposed a position at the Mount Wilson Observatory.[3] He worked there from 1909 until 1948.[1]
Babcock specialized in solar spectroscopy and precisely mapped the distribution of magnetic fields over the Sun's surface, working alongside his son, Horace W. Babcock.[4] He developed the "ruling engine which has made many of the finest diffraction gratings" and, together with his son, the solar magnetograph.[5]
In 1953 Babcock won the Bruce Medal.[6] Babcock died of a heart attack in Pasadena, California at age 86.[7]
The crater Babcock on the Moon is named after him, as is asteroid 3167 Babcock (jointly named after him and his son).
References
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- ↑ QJRAS 10 (1969) 68
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- ↑ Obs 88 (1968) 174
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