Ag. Gunn et al., CROSS-CORRELATION RADIAL-VELOCITY MEASUREMENTS OF CHROMOSPHERICALLY ACTIVE BINARIES, Astronomy and astrophysics, 305(1), 1996, pp. 146-163
We present observational radial velocity curves for 12 chromospherical
ly active binary systems and individual measurements for a further 5 s
ystems. These binaries are LX Per, V 471 Tau, EI Eri, OU Gem, GK Hya,
TY Pyx, Z Her, MM Her, V772 Her, ER Vul, ED-004234, MY Cyg, AR Lac, KZ
And, RT And, SZ Psc and EZ Peg. Six of our target binaries do not agr
ee with published ephemerides or orbital parameters. We also present a
rigorous derivation of the resolution limit for binary star cross-cor
relation radial velocities. Using synthetic spectral data we investiga
te the errors induced by rotational broadening, signal-to-noise ratio,
spectral-type mismatch and luminosity ratio.