Discovery of a new spectroscopic binary: 21 Hydrae.
Abstract
Summary. The star 21 Hydrae, HD 79193, classified as Am by Str6mgren is a spectroscopic binary with a period of 7.75 days and a mass ratio m1 = 1.14. m2 The primary Star seems to belong to giant class III and the secondary may be a dwarf close to A0 type. Key words: spectroscopic binary Am stars
- Publication:
-
Astronomy and Astrophysics
- Pub Date:
- April 1975
- Bibcode:
- 1975A&A....40..207C