Spectroscopy of 2A 0526-328 : a triple periodic cataclysmic variable.
Abstract
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.
- Publication:
-
The Astrophysical Journal
- Pub Date:
- October 1981
- DOI:
- Bibcode:
- 1981ApJ...249..680H
- Keywords:
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- 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;
- Astrophysics