BD Pavonis, a new double lined eclipsing cataclysmic binary.

Details BD Pavonis, a new double lined eclipsing cataclysmic binary. BD Pavonis, a new double lined eclipsing cataclysmic binary.

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987msngr..47...19b&link_type=abstract

The Messenger, vol. 47, p. 19-23

Computer Science

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Cataclysmic Binaries:Spectra, Cataclysmic Binaries:Ubvri Photometry, Spectra:Cataclysmic Binaries, Ubvri Photometry:Cataclysmic Binaries

Scientific paper

Cataclysmic binaries are double stars consisting of a compact primary and a cool secondary component. They are so close that the surface of the secondary fills its so-called Rache limit and transfers matter towards the primary in a stream. Oue to the system's orbital motion, however, the stream does not impact on the primary but forms an accretion disk around it. Where the overflowing mass hits the rotating gas, a hot bright spot is produced. The momentum of the disk material has to be separated before it can be accreted onto the primary. Magnetic fields can influence the structure of the disk, in same cases no disk exists at all and matter is forced to flow along the magnetic field lines producing extremely hot X-ray emitting spots above the magnetic poles.

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