2A0526 - 328: The white dwarf rotation period revealed

Details 2A0526 - 328: The white dwarf rotation period revealed 2A0526 - 328: The white dwarf rotation period revealed

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ssrv...40..121s&link_type=abstract

(ESA, ESLAB Symposium on X-Ray Astronomy in the EXOSAT Era, 18th, The Hague, Netherlands, Nov. 5-9, 1984) Space Science Reviews

Astronomy and Astrophysics

Astronomy

28

Orbital Elements, Spaceborne Astronomy, Stellar Rotation, Stellar Spectrophotometry, White Dwarf Stars, X Ray Spectra, Emission Spectra, Exosat Satellite, Light Curve, Power Spectra, Spectral Energy Distribution

Scientific paper

The authors report results from EXOSAT observations of the intermediate polar system 2A 0526-328 (TV Col). The hard X-ray emission (2 - 8 keV) is modulated with a period of 1943 s, interpreted as the white dwarf rotation period. Soft and hard X-ray emission show intensity minima, in phase with the orbital period of 0.2286 days; analysis of the hard X-ray spectra shows that these minima are caused by an extra low-energy absorption corresponding to a H column density of 4×1022cm-2.

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