Photometry of Betelgeuse with the STEREO Mission While in the Glare of the Sun from Earth
Abstract
During 2019/20 the red supergiant Betelgeuse (Alpha Ori; HD 39801; M1-2 Iab) underwent an unprecedented dimming reaching V ~ 1.61 mag 7-13 February 2020. From that time to the end of the 2020 observing season (early-May), the star recovered in brightness.
- Publication:
-
The Astronomer's Telegram
- Pub Date:
- July 2020
- Bibcode:
- 2020ATel13901....1D
- Keywords:
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- Star;
- Variables