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Subdwarf B Binaries from the Edinburgh--Cape Survey
L. Morales-Rueda, P. F. L. Maxted, T. R. Marsh +2
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 whi…
RX J2130.6+4710 - an eclipsing white dwarf - M-dwarf binary star
P. F. L. Maxted, T. R. Marsh, L. Morales-Rueda +5
(Abridged) We report the detection of eclipses in the close white-dwarf - M-dwarf binary star RXJ2130.6+4710. We estimate that the spectral type of the M-dwarf is M3.5Ve or M4Ve. W…
Accurate fundamental parameters of eclipsing binary stars
J. Southworth, B. Smalley, P. F. L. Maxted +1
The study of detached eclipsing binaries is one of the most powerful ways to investigate the properties of individual stars and stellar systems. We present preliminary masses, radi…
Eclipsing binaries in open clusters. II. V453 Cyg in NGC 6871
J. Southworth, P. F. L. Maxted, B. Smalley
We derive absolute dimensions of the early B-type detached eclipsing binary V453 Cygni (B0.4 IV + B0.7 IV, P=3.89d), a member of the open cluster NGC 6871. From the analysis of new…