On the Overcontact Binary V2388 Oph and An Improved M R Relation for Ltcbs

Details On the Overcontact Binary V2388 Oph and An Improved M R Relation for Ltcbs On the Overcontact Binary V2388 Oph and An Improved M R Relation for Ltcbs

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ap%26ss.296..273y&link_type=abstract

Astrophysics and Space Science, Volume 296, Issue 1-4, pp. 273-276

Astronomy and Astrophysics

Astrophysics

1

Stars, Binaries, Eclipsing-Stars, Visual-Stars, Fundamental Parameters, Individual, V2388 Oph-Techniques, Photometry

Scientific paper

The evolutionary stage of the low-temperature contact binary (LTCB) V2388 Oph has been investigated. V2388 Oph was previously classified as an A-type W UMa star, and is the brighter member of the visual binary Fin 381. When compared to other well-known LTCBs it is evident that the primary component has evolved to the TAMS, and the companion also seems to be more evolved than a ZAMS star. Mochnacki proposed a new subgroup of W UMa stars, namely of OO Aql type, distinct from A and W types. V2388 Oph is suggested to be a member of this new group.

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