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A&AS Supplement Series, Vol. 125, November I 1997, 471-473

Received December 24, 1996; accepted January 29, 1997

Four-colour photometry of eclipsing binaries

XXXVIII. Light curves of the triple system V906 Scorpiigif,gif

L.P.R. Vaztex2html_wrap716, J. Andersentex2html_wrap718, J.V. Clausentex2html_wrap718, B.E. Helttex2html_wrap718, J.M. Garcıatex2html_wrap724, A. Giméneztex2html_wrap726, and S.H.P. Alencartex2html_wrap716

Send offprint request: L.P.R. Vaz at address 1
tex2html_wrap563  Departamento de Fısica, ICEx, Universidade Federal de Minas Gerais, C.P. 702, 30161-970 Belo Horizonte, MG, Brazil
tex2html_wrap563  Niels Bohr Institute for Astronomy, Physics and Geophysics; Astronomical Observatory, Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark
tex2html_wrap565  Departamento de Fısica, E.U.I.T. Industriales, UPM, Ronda de Valencia 3, E-28012 Madrid, Spain
tex2html_wrap565  Instituto de Astrofısica de Andalucıa, Apdo. 3004, E-18080 Granada, Spain
tex2html_wrap567  Laboratorio de Astrofısica Espacial y Fısica Fundamental, INTA, Apdo. 50727, 28080 Madrid, Spain


Complete uvby light curves of the detached triple-lined late B-type eclipsing binary V906 Scorpii, secured from 1987 to 1991, are presented. A detailed photometric analysis based on these observations and on new spectroscopic material yields accurate masses and radii (errors tex2html_wrap_inline7042%) for the components, confirms that the system is a member of NGC 6475 (Messier 7), and is published separately (Alencar et al. 1997).

keywords: stars: binaries: eclipsing -- stars: individual: V906 Sco

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