The size and surface brightness of the circumstellar gas shell surrounding Betelgeuse
Abstract
We have obtained direct images of the K i gas shell surrounding the M supergiant Betelgeuse using a two-dimensional television system and a 2 Å bandpass filter. The emission extends to at least 50".
- Publication:
-
The Astrophysical Journal
- Pub Date:
- July 1980
- DOI:
- 10.1086/158142
- Bibcode:
- 1980ApJ...239..565H
- Keywords:
-
- Stellar Envelopes;
- Stellar Luminosity;
- Supergiant Stars;
- Astrophysics;
- Bandpass Filters;
- Brightness;
- M Stars;
- Stellar Mass Ejection;
- Vidicons;
- Astrophysics