WW Horologii - Revised period and X-ray light curve

Details WW Horologii - Revised period and X-ray light curve WW Horologii - Revised period and X-ray light curve

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...238..187b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 238, no. 1-2, Nov. 1990, p. 187-190.

Astronomy and Astrophysics

Astrophysics

6

Cataclysmic Variables, Eclipsing Binary Stars, Light Curve, White Dwarf Stars, X Ray Spectra, Charge Coupled Devices, Exosat Satellite, Magnetic Stars, Stellar Mass Accretion, Stellar Spectrophotometry

Scientific paper

An improved orbital period of the eclipsing AM Herculis binary WW Hor is reported, which allows the relative phasing of 1983 EXOSAT X-ray and the 1986-89 optical light curves to be established. It is found that X-rays and optical cyclotron continuum are produced by the same accreting pole on the magnetic white dwarf. In 1984, WW Hor was not detected with EXOSAT, suggesting that it experienced a low state of accretion.

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