Nils Christofer Dunér
Nils Christofer Dunér also Nils Kristofer Dunér (born May 21, 1839 in Billeberga , Svalöv municipality , † November 10, 1914 in Stockholm ) was a Swedish astronomer .
Life
Dunér received his doctorate from Lund University in 1862 and was an observator at the Lund Observatory from 1864 . In 1887 he was appointed associate professor of astronomy, from 1888 he held the same office at Uppsala University .
In 1863 Dunér was one of the founders of the Astronomical Society . In 1861 and 1864 he took part in two Arctic expeditions to Spitzbergen .
From the 1870s he began working in the field of spectroscopy. Before that, he worked on classical astronomy, celestial mechanics and double stars. From 1867 to 1875 he carried out micrometric measurements of 445 double and multiple stars to calculate the movements of their components. In 1884 he published a catalog of star spectra (Class III in Vogel's classification system).
Dunér was a member of the Royal Swedish Academy of Sciences , the Royal Physiographical Society in Lund , the Royal Society of Sciences in Uppsala and the Prussian and Bavarian Academy of Sciences .
In 1887 he was awarded the Prix Lalande des Institut de France and in 1892 by the Royal Society "for his spectroscopic research on stars" with the Rumford Medal . The Dunér crater on the moon was named after him.
Dunér was a Freemason and a member of the Swedish Order of Knights Charles XIII.
Works
- Mesures micrométiques d'étoiles doubles , 1876.
- Sur les étoiles à specters de la troisième classe , 1884.
- Recherches sur la rotation du Soleil , 1891.
- Handbok i allmän astronomi , 1899.
- Calcul des éléments elliptiques de l'orbite du système stellaire de l'étoile variable Y Cygni , 1900.
- On the rotation of the sun , 1907.
literature
- Nils Christofer Dunér . In: Theodor Westrin (Ed.): Nordisk familjebok konversationslexikon och realencyklopedi . 2nd Edition. tape 6 : Degeberg-Egyptolog . Nordisk familjeboks förlag, Stockholm 1907, Sp. 1072 (Swedish, runeberg.org ).
Web links
- Publications by NC Dunér in the Astrophysics Data System
- Obituaries to NC Dunér in the Astrophysics Data System
Individual evidence
- ^ Members of the previous academies. Nils Kristofer Duner. Berlin-Brandenburg Academy of Sciences , accessed on March 17, 2015 .
- ^ Member entry by Nils Christofer Dunér (with a link to an obituary) at the Bavarian Academy of Sciences , accessed on January 29, 2017.
| personal data | |
|---|---|
| SURNAME | Dunér, Nils Christofer |
| ALTERNATIVE NAMES | Dunér, Nils Kristofer |
| BRIEF DESCRIPTION | Swedish astronomer |
| DATE OF BIRTH | May 21, 1839 |
| PLACE OF BIRTH | Billeberga, Svalöv (municipality) |
| DATE OF DEATH | November 10, 1914 |
| Place of death | Stockholm |