High resolution profiles in A type stars. I. The Ca II K line in Sirius.
Summary. We are unable to confirm the asymmetry found in the K line of Sirius by Freire et al. (1977), whose discussion may therefore be invalid. Key words: high spectral resolution - A stars - chromospheres - velocity fields
Astronomy and Astrophysics
- Pub Date:
- January 1979
- A Stars:Line Profiles