Detection of X-ray emission from stellar coronae with ANS.
Abstract
The soft X-ray detector aboard the Astronomical Netherlands Satellite (ANS) has been used to search for soft X-ray emission in the range 0.2 to 0.284 keV from hot stellar coronae. X-ray emission has been detected from Capella (alpha Aur) and Sirius (alpha CMa). For 26 other stars (main sequence, subgiants, giants, and supergiants) upper limits to the X-ray luminosity have been obtained. The physical conditions of a corona needed to explain the observations are discussed.
- Publication:
-
The Astrophysical Journal
- Pub Date:
- December 1975
- DOI:
- 10.1086/181983
- Bibcode:
- 1975ApJ...202L..67M
- Keywords:
-
- Astronomical Netherlands Satellite;
- Spaceborne Astronomy;
- Stellar Radiation;
- X Ray Astronomy;
- X Ray Stars;
- Binary Stars;
- Giant Stars;
- Main Sequence Stars;
- Stellar Mass Ejection;
- Supergiant Stars;
- Ultraviolet Radiation;
- Astrophysics