The Nova-like Variable WX Centauri and the V Sagittae Phenomenon

Details The Nova-like Variable WX Centauri and the V Sagittae Phenomenon The Nova-like Variable WX Centauri and the V Sagittae Phenomenon

Oct 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aj....110.1816d&link_type=abstract

Astronomical Journal v.110, p.1816

Astronomy and Astrophysics

Astronomy

20

Binaries: Eclipsing, Stars: Individual: Wx Centauri, Catclysmic Variables

Scientific paper

Time-resolved spectrophotometric observations of the nova-like variable WX Cen were presented. This object is identified as the second binary system with observational properties similar to V Sagittae and its orbital period is determined to be 10.0 h. Regardless of the long orbital period, no features of the secondary spectrum could be found in the optical spectrum. A distance of 1400+400-200 pc and a color excess E(B - V)=0.4 are estimated. On the basis of He II and Balmer Doppler tomograms, the presence of a helium enhanced, semi-opaque wind is suggested and constraints on the dynamical solutions are derived. Considering the nondetection of x rays, possible scenarios for the nature of the stellar components are discussed in comparison with V Sagittae.

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