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• W3100412079 abstract "We report high-resolution spectroscopic observations of the young star HD 34700, which confirm it to be a double-lined spectroscopic binary. We derive an accurate orbital solution with a period of 23.4877 ± 0.0013 days and an eccentricity of e = 0.2501 ± 0.0068. The stars are found to be of similar mass (M2/M1 = 0.987 ± 0.014) and luminosity. We derive also the effective temperatures (5900 and 5800 K) and projected rotational velocities (28 and 22 km s-1) of the components. These values of v sin i are much higher than expected for main-sequence stars of similar spectral type (G0) and are not due to tidal synchronization. We also discuss the indicators of youth available for the object. Although there is considerable evidence that the system is young—strong infrared excess, X-ray emission, Li I λ6708 absorption (0.17 Å equivalent width), Hα emission (∼0.6 Å), rapid rotation—the precise age cannot yet be established because the distance is unknown." @default.
• W3100412079 created "2020-11-23" @default.
• W3100412079 creator A5066163025 @default.
• W3100412079 date "2004-02-01" @default.
• W3100412079 modified "2023-10-03" @default.
• W3100412079 title "A Double-lined Spectroscopic Orbit for the Young Star HD 34700" @default.
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• W3100412079 doi "https://doi.org/10.1086/381066" @default.
• W3100412079 hasPublicationYear "2004" @default.
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