Arnold Kohlschütter
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Ernst Arnold Kohlschütter (born July 6, 1883 in Halle, Saxony-Anhalt; died May 28, 1969) was a German astronomer and astrophysicist.
In 1908 he was awarded his Ph.D. from the Georg August University of Göttingen.
In 1911 he began working at the Mount Wilson observatory, studying the spectra of the Sun and stars. In collaboration with Walter Sidney Adams, they discovered that the absolute luminosity of a star was proportional to the relative intensity of the lines in the spectrum. This allowed astronomers to determine the distance of stars, including main sequence and giants, using the spectroscope.
He became the director of the Bonn observatory in 1925. Therein he was dedicated to astrometric studies.
Kohlschütter crater on the Moon was named after him.
[edit] External links
- Arnold Kohlschütter 6. 7. 1883-28. 5. 1969, Astronomische Nachrichten, vol. 292, p.142.
- Geschichte der Sternwarte der Universität Bonn
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