Rudolph Kysaeus
Rudolph Kysaeus (born June 4, 1817 in Bonn , † November 8, 1873 in Burgsteinfurt ) was a German astronomer .
life and work
After studying in Bonn he worked as an assistant at the observatory for a year. From 1841–42 he was a trial candidate, then went to the Siegen grammar school as an assistant teacher, where he became a full teacher in 1845, and finally in 1853, second senior teacher. In 1858 he went to the Burgsteinfurt grammar school as the third senior teacher and was given the second position in the college the following year.
Kysaeus supported Friedrich Wilhelm August Argelander in his zone observations and published his own observations and calculations in the years 1839–41 of the Annals of the Bonn Observatory. In the Siegen program for 1846, he determined the rotational elements of the sun using a new method. The treatise “On the Application and Meaning of Numbers in Geometry” contains an elaboration of Gaussian views on the imaginary.
Works (in selection)
- On the application and meaning of numbers in geometry , Siegen 1850.
literature
- Siegmund Günther: Kysaeus, Rudolph . In: Allgemeine Deutsche Biographie (ADB). Volume 17, Duncker & Humblot, Leipzig 1883, p. 447.
- Siegen Easter program for 1850.
- Annals of the Bonn Observatory, Vol. 1
- Wolf, Handbook of Mathematics, Physics, Geodesy and Astronomy , 2nd volume, p. 307.
Web links
| personal data | |
|---|---|
| SURNAME | Kysaeus, Rudolph |
| BRIEF DESCRIPTION | German astronomer |
| DATE OF BIRTH | June 4, 1817 |
| PLACE OF BIRTH | Bonn |
| DATE OF DEATH | November 8, 1873 |
| Place of death | Burgsteinfurt |