Main-sequence G and K stellar masses

Details Main-sequence G and K stellar masses Main-sequence G and K stellar masses

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...404l..67p&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 404, no. 2, p. L67-L70.

Astronomy and Astrophysics

Astrophysics

38

Eclipsing Binary Stars, Hertzsprung-Russell Diagram, Main Sequence Stars, Stellar Mass, Stellar Spectrophotometry, Charge Coupled Devices, Stellar Models

Scientific paper

Our limited supply of masses of G-K main-sequence stars is doubled by observation of detached eclipsing binaries of short period with the CCD-echelle spectrometer at the Lick Observatory. Velocities are determined from averages of about 30 spectral orders. The masses obtained are generally greater than in 'standard' tables for stars of a given spectral type. The results reported here are provisional. The need for more work, spectroscopic, photometric, and model building, in this relatively unexplored region of the H-R diagram is emphasized.

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