Karl Nikolai Jensen Börgen

Karl Nikolai Jensen Börgen (born October 1, 1843 in Schleswig ; † June 8, 1909 in Wilhelmshaven ) was a German astronomer and geophysicist .

Börgen was born in Schleswig in 1843 and attended the Schleswig Cathedral School . He studied in Copenhagen , Kiel and Göttingen from 1863 and became assistant at the Göttingen observatory in 1866 , where he received his doctorate in 1868. From 1869 to 1870 he took part on board the Germania in the Second German North Polar Expedition under Carl Koldewey . After his return, Börgen became an observator at the Leipzig observatory until he was appointed director of the newly founded imperial marine observatory in Wilhelmshaven in 1874. He took part in the observations of the passage of Venus in 1874 as head of the expedition on the SMS Gazelle sent from Germany to the Kerguelen .

In 1887 he was accepted into the German Academy of Sciences Leopoldina . The Börgen Bay on the Antarctic Anvers Island is named after him, as is Cape Börgen on the Shannon Island ( Greenland ).

Fonts (selection)

with Ralph Copeland : Mean locations of the stars up to 9 ^m in the zones -0 ° and -1 ° of the Bonn survey . 0 size , Göttingen 1869
with Ralph Copeland: Brief history of wintering in the arctic regions during the last 50 years , Gotha 1869
with Georg von Neumayer : International Polar Research 1882–1883. The results of the German stations , 2 volumes, Berlin 1886

Walter Horn: Börgen, Carl Nikolay Jensen. In: New German Biography (NDB). Volume 2, Duncker & Humblot, Berlin 1955, ISBN 3-428-00183-4 , p. 404 ( digitized version ).
Publications by C. Börgen in the Astrophysics Data System
E. Stück, H. Capelle: Carl Nicolai Jensen Börgen. Astronomische Nachrichten, Vol. 181 (1909), p. 257. (Obituary)