Circumstellar envelope of the supergiant 89 Herculis.
Abstract
The authors have undertaken a complex study of the nature of 89 Her basing on spectroscopic observations carried out at the Dominion Observatory starting from 1970. The aim of this paper is a discussion of narrow emission lines originated in the envelope of 89 Her.
- Publication:
-
Circumstellar Matter
- Pub Date:
- 1987
- Bibcode:
- 1987IAUS..122..329C
- Keywords:
-
- Circumstellar Envelopes:Supergiants;
- Emission Lines:Supergiants;
- Supergiants:Circumstellar Envelopes;
- Supergiants:Emission Lines