Disk instability and the time-dependent X-ray emission from the intermediate polar GK Persei

Details Disk instability and the time-dependent X-ray emission from the intermediate polar GK Persei Disk instability and the time-dependent X-ray emission from the intermediate polar GK Persei

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...391l..25y&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 391, no. 1, May 20, 1992, p. L25-L28.

Astronomy and Astrophysics

Astronomy

11

Dwarf Novae, Stellar Mass Accretion, Stellar Radiation, X Ray Astronomy, Emission Spectra, Photosphere, Time Dependence

Scientific paper

The correlation between the disk instability model for the 1981-1989 optical outbursts of the intermediate polar GK Per and the accompanying X-ray emission is examined, and the self-consistency of the combined optical-X-ray model is investigated. Special attention is given to the nature of the transition in the X-ray emission due to the time-dependent accretion rates in the simple column accretion model. The large variation in the efficiency of hard X-ray production is explained.

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