Gliese 815 - A dMe spectroscopic-visual triple

Details Gliese 815 - A dMe spectroscopic-visual triple Gliese 815 - A dMe spectroscopic-visual triple

Nov 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978aj.....83.1445f&link_type=abstract

Astronomical Journal, vol. 83, Nov. 1978, p. 1445-1451.

Astronomy and Astrophysics

Astronomy

60

Binary Stars, Flare Stars, Stellar Spectrophotometry, Variable Stars, Absorption Spectra, Emission Spectra, Orbit Calculation, Phase Deviation

Scientific paper

GL 815 AB (sp. dM3e) is a close visual binary, BY Draconis variable, and flare star. The primary visual component is found to be a spectroscopic binary of period 3.28 days, making this system a spectroscopic-visual triple, with the masses of the individual components near 0.2-0.3 solar mass. Though the system exhibits low-amplitude photometric variations, no evidence is found for variability in phase with the spectroscopic orbit. Despite the suggestion by Lippincott (1975), no evidence is found for the existence of a degenerate star in the system.

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