Photometric study of AM Herculis-type star E 2003+225.
Abstract
The brightness of E2003+225 has been measured on 335 plates in the Moscow collection taken during 1962-1982. The photometric behavior shows parallels with AM Her and MV Lyr. No prolonged inactive states have been found. No single period P can fit all the measurements; a search in the range P = 0.152-0.157 days yields different possible values for each of four observing seasons. E2003+225 is the second AM Her-type binary system having P greater than 3 hours.
- Publication:
-
Pisma v Astronomicheskii Zhurnal
- Pub Date:
- October 1983
- Bibcode:
- 1983PAZh....9..556A
- Keywords:
-
- Binary Stars;
- Light Curve;
- Stellar Spectrophotometry;
- X Ray Sources;
- Variable Stars;
- X Ray Stars;
- Astronomy