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Ernst Arnold Kohlschütter (6 July 1883 – 28 May 1969) was a German astronomer and astrophysicist from Halle.
In 1908 he was awarded his Ph.D. from the University of Göttingen under Karl Schwarzschild.
In 1911 he began working at the Mount Wilson observatory, studying the spectra of the Sun and stars in collaboration with Walter Sidney Adams. In 1914 they discovered that the absolute luminosity of a star is 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, such as the Bonn portion of AGK2.
The crater Kohlschütter on the Moon is named after him.
See also
References
- Hockey, Thomas (2009). The Biographical Encyclopedia of Astronomers. Springer Publishing. ISBN 978-0-387-31022-0. Retrieved August 22, 2012.
External links
- Arnold Kohlschütter 6. 7. 1883-28. 5. 1969, Astronomische Nachrichten, vol. 292, p. 142.(subscription required)
- Geschichte der Sternwarte der Universität Bonn
   | This article about a German astronomer is a stub. You can help Misplaced Pages by expanding it. |
- 1883 births
- 1969 deaths
- 20th-century German astronomers
- Scientists from Halle (Saale)
- Scientists from the Province of Saxony
- University of Göttingen alumni
- Academic staff of the University of Göttingen
- Academic staff of the University of Kiel
- Academic staff of the University of Hamburg
- German astronomer stubs