The triple system CG Aurigae
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) an...
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Veröffentlicht in: | New astronomy 2011-10, Vol.16 (6), p.402-404 |
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Hauptverfasser: | , , , , |
Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | 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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ISSN: | 1384-1076 1384-1092 |
DOI: | 10.1016/j.newast.2011.03.004 |