Eclipse timings of the low-mass X-ray binary EXO 0748-676: Statistical arguments against orbital period changes

1 January 1995

journal article
Published by American Astronomical Society in The Astrophysical Journal

Vol. 438, 385-393
https://doi.org/10.1086/175082

Abstract

EXO 0748-676, an eclipsing low mass X-ray binary, is one of only 4 or 5low mass X-ray binaries for which orbital period evolution has been reported.We observed a single eclipse egress with ROSAT . The time of this egressis consistent with the apparent increase in P orb previously reported on thebasis of EXOSAT and Ginga observations. Standard analysis, in which O\GammaC(observed minus calculated) timing residuals are examined for deviations from aconstant period, implicitely assume that...

Keywords

STATISTICAL TEST
STATISTICAL ANALYSIS
CATACLYSMIC VARIABLE
STELLAR MASS
VARIABILITY
MEASUREMENT ERROR
TIME MEASUREMENT
ECLIPSING BINARY STARS
ORBITAL MECHANICS

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