H-beta photometry of V1010 Ophiuchi

Details H-beta photometry of V1010 Ophiuchi H-beta photometry of V1010 Ophiuchi

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aj....101.1828c&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 101, May 1991, p. 1828-1834.

Astronomy and Astrophysics

Astronomy

10

Astronomical Photometry, Eclipsing Binary Stars, H Beta Line, Light Curve, Ophiuchi Clouds, Stellar Evolution, Stellar Systems

Scientific paper

An analysis is presented of previously unpublished intermediate and narrow band H-beta light curves of the short period eclipsing binary V1010 Oph. The temperature of the primary is determined directly by comparing the UV continuum with Kurucz model atmospheres and solve the broadband lightcurve using the Wilson-Devinney program. The present solution has the primary filling its Roche lobe while the secondary is detached from its lobe. An asymmetry in the light curve in which first quadrature (0.25 P) is brighter than the second quadrature (0.75 P) may be the result of local heating of the inner surface of the secondary by mass transfer from the primary. The present semidetached solution indicates that the system is probably evolved.

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