Multiplicity and apsidal motion in the eclipsing binary EQ Boo View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2011-09

AUTHORS

I. M. Volkov, N. S. Volkova, I. V. Nikolenko, D. Chochol

ABSTRACT

We present the first estimates of the relative and absolute parameters of the eclipsing binary EQ Boo based on a light-curve analysis (P = 5.43d, V = 8.8m). This star is simultaneously Component A of the visual binary ADS 9422 (spectral types F7V + G0V; separation of the components 1.3″; magnitude difference 0.7m). The derived disagreement between the components’ physical parameters and the assumption that they have the same age can be removed if there is a fourth, late-type star in the system. This is also able to explain the observed anomaly in the behavior of the O-C residuals at times of minima. More... »

PAGES

824

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1063772911090095

DOI

http://dx.doi.org/10.1134/s1063772911090095

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1029944145


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