A spectroscopic and photometric study of the triple system HD 7215

Astronomy and Astrophysics – Astronomy

Scientific paper

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A Stars, Binary Stars, Dwarf Stars, Stellar Motions, Stellar Spectra, Stellar Spectrophotometry, Astrometry, Early Stars, Line Spectra, Orbital Mechanics, Radial Velocity, Spectral Line Width, Stellar Luminosity, Stellar Models

Scientific paper

HD 7215 is a visual binary (ADS 988) in which the visual primary is itself a double-lined spectroscopic binary. The visual components have been observed spectroscopically and photometrically, and a solution for the spectroscopic orbit of the primary found. The magnitudes, color indices, and spectral types are most consistent with a model in which the visual secondary is also a binary with similar components. All three (possibly four) stars are A-type dwarfs.

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