Johannes Franz Hartmann
Johannes Franz Hartmann (born January 11, 1865 in Erfurt , † September 13, 1936 in Göttingen ) was a German astronomer .
Life
Hartmann studied in Tübingen , Berlin and Leipzig . During his studies he became a member of the Catholic student association AV Guestfalia Tübingen in the CV . In 1891 he received his doctorate and in 1893 went to the private observatory of Moritz von Kuffner , where he worked as an assistant.
In 1894 he returned to Leipzig and from 1896 worked at the Astrophysical Observatory in Potsdam . In 1902 Hartmann was appointed professor there . From 1909 to 1921 he worked as a full professor at the University of Göttingen and director of the observatory in Göttingen . In 1910 he was elected a member of the Leopoldina and in 1914 a full member of the Göttingen Academy of Sciences . In 1921 he changed to the director of the Argentine National Observatory in La Plata , Argentina because of the better observation conditions . Seriously ill, he returned to Göttingen in 1934, where he died two years later.
Hartmann mainly dealt with star spectroscopy . While observing the binary star Delta Orionis , he found the first indications of interstellar matter . During his activities in Argentina he discovered the three asteroids (965) Angelica , (1029) La Plata and (1254) Erfordia .
The lunar crater Hartmann is named after him.
literature
- Paul Labitzke: Hartmann, Johannes Franz. In: New German Biography (NDB). Volume 7, Duncker & Humblot, Berlin 1966, ISBN 3-428-00188-5 , p. 744 f. ( Digitized version ).
Web links
- Literature by and about Johannes Franz Hartmann in the catalog of the German National Library
- "Johannes Hartmann discovers the interstellar gas"
- J. Hartmann's publications in the Astrophysics Data System
- Obituaries for J. Hartmann in the Astrophysics Data System
Individual evidence
- ↑ Holger Krahnke: The members of the Academy of Sciences in Göttingen 1751-2001 (= Treatises of the Academy of Sciences in Göttingen, Philological-Historical Class. Volume 3, Vol. 246 = Treatises of the Academy of Sciences in Göttingen, Mathematical-Physical Class. Episode 3, vol. 50). Vandenhoeck & Ruprecht, Göttingen 2001, ISBN 3-525-82516-1 , p. 104.
- ↑ Johannes Franz Hartmann in the Gazetteer of Planetary Nomenclature of the IAU (WGPSN) / USGS
| personal data | |
|---|---|
| SURNAME | Hartmann, Johannes Franz |
| BRIEF DESCRIPTION | German astronomer |
| DATE OF BIRTH | January 11, 1865 |
| PLACE OF BIRTH | Erfurt |
| DATE OF DEATH | September 13, 1936 |
| Place of death | Goettingen |