Double-lined spectroscopic binary stars in the RAVE survey
Matijevič, G; Zwitter, T; Munari, U; Bienayme, O; Binney, J; Bland-Hawthorn, Joss; Boeche, C; Campbell, R; Freeman, Kenneth; Gibson, Bradley K; Gilmore, Gerard; Grebel, E.; Navarro, J F; Parker, Quentin A; Siviero, A; Steinmetz, Matthias; Watson, Fred G; Wyse, Rosemary F G
We devise a new method for the detection of double-lined binary stars in a sample of the Radial Velocity Experiment (RAVE) survey spectra. The method is both tested against extensive simulations based on synthetic spectra and compared to direct visual inspection of all RAVE spectra. It is based on the properties and shape of the cross-correlation function, and is able to recover 80% of all binaries with an orbital period of order 1 day. Systems with periods up to 1 yr are still within the...[Show more]
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