Spectroscopy of 2A 0526-328 - A triple periodic cataclysmic variable

Details Spectroscopy of 2A 0526-328 - A triple periodic cataclysmic variable Spectroscopy of 2A 0526-328 - A triple periodic cataclysmic variable

Oct 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...249..680h&link_type=abstract

Astrophysical Journal, Part 1, vol. 249, Oct. 15, 1981, p. 680-686.

Astronomy and Astrophysics

Astrophysics

42

Binary Stars, Stellar Spectrophotometry, Variable Stars, X Ray Sources, Emission Spectra, Gas Streams, Helium, Hydrogen, Light Curve, Line Spectra, Radial Velocity, Stellar Rotation, X Ray Spectra

Scientific paper

The cataclysmic variable X-ray binary 2A 0526-328 has a spectroscopic (orbital) period of 0.228600 days, a photometric (rotation) period of 0.21631 days, and a beat (photometric) period of 4.024 days. Radial velocity behavior is complex, suggesting orbital motions, a disk hot spot, and a spiraling gas stream. Emission line variations are large and not generally periodic. The system is discussed in terms of a nonsynchronously rotating white dwarf of the DQ Her type. The system presents several unique phenomena for this type of binary.

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