Arnold Schwassmann
Friedrich Karl Arnold Schwassmann (born March 25, 1870 in Hamburg ; † January 19, 1964 there ) was a German astronomer .
Life
Arnold Schwassmann was the son of a merchant and visited the Johanneum in Hamburg with the High School in 1888. He received his doctorate after studying mathematics, physics and astronomy in Leipzig , Berlin and Goettingen 1893 in Göttingen with a thesis on the Mercury transit of 1891. After he was at the astrophysical observatory in Potsdam and assistant at the observatory in Göttingen until 1895 . In 1897, at the invitation of Max Wolf, he went to the new Heidelberg observatory on the Königstuhl . In 1901/2 he was a research assistant at the chronometer testing institute of the Seewarte Hamburg and from 1902 at the invitation of Richard Reinhard Emil Schorr an observatory at the Hamburg observatory , in whose new building in Bergedorf he was involved. During World War I he worked on the tide calculators in Potsdam and Wilhelmshaven. He stayed at the Bergedorf observatory until his retirement in 1934. He also taught astrophysics at the Hamburg University, which was newly founded after the First World War.
His main work was the spectral survey of the 115 Kapteyn calibration fields of the northern celestial sphere, carried out from 1925 to 1934 and published from 1935 to 1953.
Discoveries
Together with Max Wolf, he discovered 22 asteroids and, together with his colleague Arthur Arno Wachmann, the periodic comets 29P / Schwassmann-Wachmann , 31P / Schwassmann-Wachmann and 73P / Schwassmann-Wachmann .
The asteroid (989) Schwassmannia is named after him, its discoverer.
asteroid | Date of discovery | Co-discoverer |
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(435) Ella | September 11, 1898 | with Max Wolf |
(436) Patricia | September 13, 1898 | with Max Wolf |
(442) Eichsfeldia | February 15, 1899 | with Max Wolf |
(443) Photographica | February 17, 1899 | with Max Wolf |
(446) Aeternitas | October 27, 1899 | with Max Wolf |
(447) Valentine | October 27, 1899 | with Max Wolf |
(448) Natalie | October 27, 1899 | with Max Wolf |
(449) Hamburga | October 31, 1899 | with Max Wolf |
(450) Brigitta | October 10, 1899 | with Max Wolf |
(454) Mathesis | March 28, 1900 | |
(455) Bruchsalia | May 22, 1900 | with Max Wolf |
(456) Abnoba | June 4th 1900 | with Max Wolf |
(457) Alleghenia | September 15, 1900 | with Max Wolf |
(458) Hercynia | September 21, 1900 | with Max Wolf |
(905) Universitas | October 30, 1918 | |
(906) Repsolda | October 30, 1918 | |
(912) Maritima | April 27, 1919 | |
(947) Monterosa | February 27, 1921 | |
(989) Schwassmannia | November 18, 1922 | |
(1192) prism | March 17, 1931 | |
(1303) Luthera | March 16, 1928 | |
(1310) Villigera | February 28, 1932 |
Web links
- Publications by A. Schwassmann in the Astrophysics Data System
- A. A. Security guard: Arnold Schwassmann. Communications of the Astronomical Society, Vol. 17 (1964), p. 42. (Obituary)
personal data | |
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SURNAME | Schwassmann, Arnold |
ALTERNATIVE NAMES | Schwassmann, Friedrich Karl Arnold |
BRIEF DESCRIPTION | German astronomer |
DATE OF BIRTH | March 25, 1870 |
PLACE OF BIRTH | Hamburg |
DATE OF DEATH | January 19, 1964 |
Place of death | Hamburg |