Photometric Studies of CW Cephei

Details Photometric Studies of CW Cephei Photometric Studies of CW Cephei

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aj....123.2724h&link_type=abstract

The Astronomical Journal, Volume 123, Issue 5, pp. 2724-2732.

Astronomy and Astrophysics

Astronomy

2

Stars: Binaries: Eclipsing, Stars: Individual (Cw Cephei), Stars: Kinematics, Stars: Winds, Outflows

Scientific paper

Three-filter observations of the hot, detached close binary CW Cephei are used as the basis for light curves dating to the mid-1980s. The ephemeris of apsidal rotation is improved as a result of a lengthier time base. The light-curve synthesis converges to essentially the same orbital and stellar parameters that have been accepted for almost 40 years. For the first time, emphasis is given to a new type of complication confusing the apsidal rotation behavior, and it is shown that this complication is photometric and not dynamical. In addition, we find that the light curve is itself beset by substantial complications, which may be associated with the rather feeble stellar winds.

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