Infrared and X-ray observations of the binary system V861 Sco.
Abstract
Infrared (1.25-4.8 micron) observations at various orbital phases of the single line spectroscopic binary V 861 Sco are presented. Emission in excess over the photospheric continuum of the primary is found and interpreted as due to a strong stellar wind (M equals 0.000002 solar mass/yr). Modulation of the color excess with orbital phase is discussed. X-ray data obtained within a month from the infrared observations yield a 3 sigma upper limit F(0.4-4.5 keV) not greater than 3 x 10 to the -12th erg/sq cm-s.
- Publication:
-
Astronomy and Astrophysics
- Pub Date:
- July 1981
- Bibcode:
- 1981A&A...100...68T
- Keywords:
-
- Binary Stars;
- Infrared Astronomy;
- X Ray Astronomy;
- Stellar Magnitude;
- Stellar Mass Ejection;
- Stellar Winds;
- Astrophysics