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INTEGRAL observations of OAO 1657-415: gamma-ray tomography of a B supergiant
2005
AIP Conference Proceedings
Preserved Fulltext
INTEGRAL has been monitoring the eclipsing X-ray pulsar for over one year. We present the results of these observations. The 38 s pulsations have been detected. A careful analysis of the eclipse lightcurve allows to model the density profile in the outer atmosphere and stellar wind of the companion, a B supergiant. We also find that the models favor the inclination of the system close to the lower bound, i.e i=60-70 degrees.
doi:10.1063/1.2141865
fatcat:aq7d4amwdzd47hmdgi4lby2mcu