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M. Saia, M. J. Stark (Lafayette College)
We have observed several transient outbursts of X-ray pulsars with the Rossi X-Ray Timing Explorer. We have begun to study them to explore the relationship between the pulsar period derivative (related to the torque on the star) and the X-ray luminosity (related to the mass accretion rate). Results from the first of these stars are presented here. We track these sources through large variations in the torque, often including a change in the sign of the torque.
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Bulletin of the American Astronomical Society, 35#5
© 2003. The American Astronomical Soceity.