Andrew Crommelin
Andrew Claude de la Cherois Crommelin ( February 6, 1865 - September 20, 1939 ) was a British astronomer .
Crommelin was born in Ireland , but his family immigrated to England when he was a toddler.
Crommelin later worked at the Royal Greenwich Observatory and took part in several expeditions to observe solar eclipses .
He was an expert on comets . His 1929 calculations of the orbits of the comets, then known as Forbes 1928 III , Coggia-Winnecke 1873 VII and Pons 1818 II , showed that they were each one and the same celestial body. The comet was then initially called "Pons-Coggia-Winnecke-Forbes", but was later given the name 27P / Crommelin .
In his memory, an impact crater on the moon and the planet Mars as well as the asteroid (1899) Crommelin were named. In 1912 he received the Jules Janssen Prize .
Web links
- CRD: Claude de la Cherois Crommelin. Monthly Notices of the Royal Astronomical Society, Vol. 94 (1934), p. 275 (obituary, English)
- P.-J. Melotte: Dr. A.-C.-D. Crommelin (1865-1939). Ciel et Terre, Vol. 56 (1940), pp. 166–168 (obituary, French)
- PJM: Dr. ACD Crommelin. The Observatory, Vol. 63 (1940), pp. 11-13 (obituary, English)
| personal data | |
|---|---|
| SURNAME | Crommelin, Andrew |
| ALTERNATIVE NAMES | Crommelin, Andrew Claude de la Cherois |
| BRIEF DESCRIPTION | British astronomer |
| DATE OF BIRTH | February 6, 1865 |
| DATE OF DEATH | September 20, 1939 |