Radial Velocity Studies of Southern Close Binary Stars.II

Details Radial Velocity Studies of Southern Close Binary Stars.II Radial Velocity Studies of Southern Close Binary Stars.II

2006-07-13

arxiv.org/abs/astro-ph/0607308v2

Astron.J.133:169-176,2007

Astronomy and Astrophysics

Astrophysics

accepted by AJ for Januray 2007; order of the authors changed re V.1

Scientific paper

10.1086/509764

Radial-velocity measurements and sine-curve fits to the orbital velocity variations are presented for 14 close binary stars, S Ant, TT Cet, TW Cet, AA Cet, RW Dor, UX Eri, YY Eri, BV Eri, CT Eri, SZ Hor, AD Phe, TY Pup, HI Pup and TZ Pyx. All are double-lined binaries and all except the last one are contact binaries. The orbital data must be considered preliminary because of the relatively small number of observations (6 - 12), a circumstance which is partly compensated by the good definition of the broadening functions used for the RV determinations.

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