Mapping Stellar Surface Structures on the RS CVn Star II Peg
Abstract
Chromospherically active late type stars exhibit most of the characteristics of the active Sun on a globally much enhanced scale. We analyse high signal-to-noise spectroscopic data obtained in September and October 1993 of single-line RS CVn binary star II Peg. The results are used to construct a Doppler image of the spot distribution at that epoch. A multicomponent spot model is suggested with ~30% of total spot coverage.
- Publication:
-
Cool Stars, Stellar Systems, and the Sun
- Pub Date:
- 1998
- Bibcode:
- 1998ASPC..154.2082Z
- Keywords:
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- STARS;
- LATE TYPE STARS;
- SURFACE STRUCTURES;
- SPOTS