Hans-Ullrich Sandig
Hans-Ullrich Sandig (born November 14, 1909 in Dresden ; † May 25, 1979 there ) was a German astronomer .
Life
The son of an architect couple, Sandig was born in the Saxon capital. His father Karl was killed in the First World War .
He began studying mathematics, physics and geodesy at the TH Dresden in 1928 . After a year he moved to the University of Bonn to deepen his knowledge of astronomy. From there he followed his academic teacher Josef Hopmann to the University of Leipzig in 1930 to take his state examination with him. In physics, he passed his exams with Werner Heisenberg .
In 1933 he received his doctorate with the dissertation "Photometric investigation of the β Lyrae system ". phil. and then worked until 1937 at the University Observatory in Breslau as Erich Schoenberg's assistant . During this period he researched a total of one and a half years from Windhoek (today Namibia ) on extinction and sky brightness in Windhoek, the brightness of the Small Magellanic Cloud and zodiacal light . He also wrote his habilitation thesis on the latter in 1941.
After a serious war injury, Sandig worked from 1945 at the Dr. Remeis observatory in Bamberg at the side of Ernst Zinner . From 1949 Sandig lived in Offenbach and from 1951 was a consultant for instrumental developments at the Institute for Applied Geodesy in neighboring Frankfurt am Main . There he developed a wide variety of solutions in the field of hydrostatic current transfer measurements, interferometric calibration of length standards . His difference method became famous for the photoelectric observation of the contact times of solar eclipses .
In 1956 he was appointed professor at the newly established chair for geodetic astronomy at the Dresden University of Technology. From here he participated in the International Geophysical Year . In 1961, in connection with the appointment to the Technical University, the " Lohrmann Institute " for Geodetic Astronomy was founded, the first director of which was Sandig.
From 1960 to 1967 Sandig was also acting head of the Geodetic Astronomy Department at the then Geodetic Institute of the German Academy of Sciences in Potsdam, later part of the Central Institute for Earth Physics .
After the university reform of 1968, Sandig was the first director of the geodesy and cartography section of the TU Dresden until 1971 .
In 1975, Sandig retired. He died in 1979 of a heart condition and was buried in the Johannisfriedhof in Dresden.
Others
Since the Windbergbahn near Dresden was placed under monument protection on his initiative in 1980 , he made a significant contribution to the preservation of this oldest mountain railway in Germany.
literature
- Dorit Petschel : 175 years of TU Dresden. Volume 3: The professors of the TU Dresden 1828–2003. Edited on behalf of the Society of Friends and Supporters of the TU Dresden e. V. von Reiner Pommerin , Böhlau, Cologne a. a. 2003, ISBN 3-412-02503-8 , pp. 813-814.
Web links
Individual evidence
- ↑ Communications from the Astronomical Society, issue 61, 1949
| personal data | |
|---|---|
| SURNAME | Sandig, Hans-Ullrich |
| BRIEF DESCRIPTION | German astronomer |
| DATE OF BIRTH | November 14, 1909 |
| PLACE OF BIRTH | Dresden |
| DATE OF DEATH | May 25, 1979 |
| Place of death | Dresden |