The triple system CG Aurigae

Details The triple system CG Aurigae The triple system CG Aurigae

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011newa...16..402w&link_type=abstract

New Astronomy, Volume 16, Issue 6, p. 402-404.

Astronomy and Astrophysics

Astronomy

Scientific paper

Several new precise times of eclipses were measured for eclipsing binary CG Aur as a part of our long-term observational project for studying eclipsing binaries with an eccentric orbit. Based on a current O - C diagram, we found for the first time that its orbit is slightly eccentric (e = 0.124) and that times of minima besides the slow apsidal motion show very rapid changes with a period about 700 days only, caused very probably by the third body orbiting the eclipsing pair. The relativistic contribution to the total apsidal-motion rate is significant being about 33%.

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