Eclipsing variable stars in neighbouring galaxies. I. Variable "G" in M31 Andromedae.

Details Eclipsing variable stars in neighbouring galaxies. I. Variable "G" in M31 Andromedae. Eclipsing variable stars in neighbouring galaxies. I. Variable "G" in M31 Andromedae.

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984geoce..12.....g&link_type=abstract

GEOS Circular on Eclipsing Binaries, No. EB 12, 5 p. (1984)

Mathematics

Probability

Eclipsing Binaries:Light Curves, Andromeda Nebula

Scientific paper

The paper discusses the photographic light-curve of the eclipsing variable "G" in M31 And in view of determining the photometric orbital elements. A polynomial analysis of the light-curve in the frequency domain was used for this determination. It results from this calculation that the binary system under discussion is composed of an O5 V star (the smaller one) and a B5 I star (the larger component), both components beingcontained within their respective equipotential surfaces, a fact which allows one to conclude, with a high probability, on a detached type. In any case, as the mass ratio is not known as yet, a definitive classification of the system is not possible.

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