GJ 1230: A Nearby Triple System

Details GJ 1230: A Nearby Triple System GJ 1230: A Nearby Triple System

Jan 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aj....111..365g&link_type=abstract

Astronomical Journal v.111, p.365

Astronomy and Astrophysics

Astronomy

13

Binaries: Close, Stars: Individual: Gj 1230

Scientific paper

We present Keck HIRES and Palomar spectra of the nearby system GJ 1230. Henry et al. [AJ, 108, 1437 (1994)] classified both the A and B components as M4.5 V and noted that the B component is apparently underluminous. High resolution spectra reveal that the A component is a short-period, near equal-mass binary. This fact, together with a slightly later classification for B and the kink in the HR diagram at M4.0-4.5 V, largely resolves the mystery of the luminosity discrepancy.

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