Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.248..233h&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 248, Jan. 15, 1991, p. 233-255. Royal Society-supported
Astronomy and Astrophysics
Astronomy
73
Accretion Disks, Astronomical Spectroscopy, Cataclysmic Variables, Magnetic Stars, Red Dwarf Stars, X Ray Astronomy, Emission Spectra, Exosat Satellite, Light Curve, Stellar Magnetic Fields, White Dwarf Stars
Scientific paper
Results are presented of three nights of time-resolved spectroscopic observations and of four Exosat X-ray observations of the AO Psc polar binary. It is found that the AO Psc has a magnetic field much weaker than that of the AM Her star and that it possesses an accretion disc extending inward to about 8 white-dwarf radii and outward to fill the Roche lobe (about 5 x 10 to the 10th cm). The findings are compared with those from other intermediate polars, and the implications of the findings for the class of intermediate polar binaries as a whole are discussed.
Cropper Mark
Hellier Coel
Mason Keith O.
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