Hydrogen Shell-Burning Models for RX J0925.7-4758

Details Hydrogen Shell-Burning Models for RX J0925.7-4758 Hydrogen Shell-Burning Models for RX J0925.7-4758

Oct 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998pasj...50..501h&link_type=abstract

Publications of the Astronomical Society of Japan, v.50, p.501-507.

Astronomy and Astrophysics

Astronomy

6

Accretion, Stars: Individual (Rx J09257-4758), Stars: White Dwarfs, X-Rays: Sources

Scientific paper

We have constructed models of accreting white dwarfs in steady hydrogen burning for the supersoft X-ray source RX J0925.7-4758. A white dwarf with a mass of around 1.4 MO has been found to account for the blackbody temperature and the bolometric luminosity, determined from ASCA observations. Our models indicate that the color temperature is higher by up to 30% than the effective temperature. To be exact, the soft X-ray spectra differ considerably from the blackbody. The models discussed in this paper can also be applied to the other supersoft X-ray sources.

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