EXOSAT observations of the X-ray pulsar 4U1145-619

Astronomy and Astrophysics – Astronomy

Scientific paper

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Exosat Satellite, Pulsars, X Ray Sources, B Stars, Binary Stars, Neutron Stars

Scientific paper

EXOSAT observations of the X-ray pulsar 4U1145-619 during June and July 1983 and July 1984 confirm that this source shows a regular 187 day outburst cycle in X rays. The results from pulse timing and X-ray spectroscopy are discussed in terms of a model for 4U1145-619 involving an eccentric binary system in which there is variable accretion from the Be primary star onto a companion neutron star.

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