Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....104..241a&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 104, no. 1, July 1992, p. 241-252.
Astronomy and Astrophysics
Astronomy
40
Binary Stars, Stellar Mass, Stellar Orbits, Stellar Spectra, Very Long Base Interferometry, Color-Magnitude Diagram, Metallic Stars, Stellar Evolution, Stellar Models
Scientific paper
The apparent orbit of the double-lined spectroscopic binary Alpha Equulei was measured using observations, from June 13, 1989 to September 15, 1990, with the Mark III Optical Interferometer. The results, combined with the spectroscopic results of Rosvick and Scarfe (1991), were used to obtain estimates of the masses of the components, their absolute magnitudes, and the distance to the system. In addition, the magnitude differences between the components were determined at four wavelengths; these were combined with the colors reported by Stickland (1976) to derive colors for the two Alpha Equulei components and to estimate their spectral types.
Armstrong Thomas J.
Colavita Mark M.
Denison Craig S.
Johnston Ken J.
Mozurkewich Dave
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