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Paper: Subdwarf B Binaries from the Edinburgh-Cape Survey
Volume: 334, 14th European Workshop on White Dwarfs
Page: 333
Authors: Morales-Rueda, L.; Maxted, P.F.L.; Marsh, T.R.; Kilkenny, D.; O'Donoghue, D.
Abstract: We present the first results of a campaign to obtain orbital solutions of subdwarf B (sdB) stars from the Edinburgh-Cape survey. We have obtained blue spectra of 35 sdBs, 20 of which have been observed in more than two epochs. 15 out of the 35 are certain binaries with a few other objects showing radial velocity variations with small amplitude, possibly long period sdB binaries. We have secured the orbital parameters for 2 of the 15 systems and narrowed down the orbits of another one to a small range of periods. These preliminary results only use data taken up to December 2003.
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