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Paper: Color Indices, Binarity Effect and λ Boo Stars
Volume: 318, Spectroscopically and Spatially Resolving the Components of Close Binary Stars
Page: 312
Authors: Gerbaldi, M.; Faraggiana, R.
Abstract: For the λ Boo stars we show that the binarity does not induce any spurious effect on color indices either on those of the Geneva photometric system or on those of the UV-TD1 photometry. The calibration of the Geneva photometry in terms of [M/H] gives useful information on metal content which can be misinterpreted through spectral analysis in the case of blended spectra of similar stars with high v sin i.
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