The photometric study of an early-type reverse Algol system - V1425 Cygni

Details The photometric study of an early-type reverse Algol system - V1425 Cygni The photometric study of an early-type reverse Algol system - V1425 Cygni

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...338.1016l&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 338, March 15, 1989, p. 1016-1023.

Physics

Optics

5

Astronomical Photometry, Cygnus Constellation, Early Stars, Eclipsing Binary Stars, Light Curve, Balmer Series, Cassegrain Optics, Radial Velocity, Variable Stars

Scientific paper

New UBV observations of V1425 Cyg were obtained, showing that the system consists of two B-type components exhibiting Beta Lyrae-type light curves. An improved orbital period of 1.2523879 for the system is determined. Preliminary photometric parameters for a Delta V light curve are derived and photometric analyses are made. The mass ratio of the system is derived from a q-search procedure. Two almost identical solutions wth similar q are obtained: one with a detached configuration, where the hot component is only slightly detached from the critical surface, and the other with a semidetached configuration, where the hot component is just contacting the critical surface.

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