Time variability of Gamma Cassiopeiae in X-rays

Details Time variability of Gamma Cassiopeiae in X-rays Time variability of Gamma Cassiopeiae in X-rays

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...320l.127f&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 320, Sept. 15, 1987, p. L127-L131.

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Binary Stars, Cassiopeia Constellation, Neutron Stars, Stellar Winds, Time Dependence, X Ray Sources, Computational Astrophysics, Exosat Satellite, High Temperature, Stellar Coronas

Scientific paper

A 22,000 s observation with EXOSAT of the X-ray source 4U 0053+60/Gamma Cassiopeiae reveals oscillations in the X-ray flux with a period of about 6000 s. The source also exhibits chaotic variability with time scales down to a few tens of seconds. This observation strengthens the hypothesis that the X-ray source is a neutron star in a wide orbit around the Be star γ Cas.

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