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F. P. Gavriil, V. M. Kaspi (Department of Physics, McGill University), D. Chakrabarty (Department of Physics and Center for Space Research, MIT)
The nature of anomalous X-ray pulsars (AXPs) has been a mystery since the discovery of the first example some 20 years ago. As part of a long-term monitoring project, the Rossi X-ray Timing Explorer has been used to observe the 5 known AXPs on a monthly basis in an effort to test the leading model for these sources, namely, that they are magnetars. In this poster we will present recent results from this project, including the sources' timing properties as deduced from phase-coherent studies, the sources' pulsed flux-time series, pulse morphology histories, as well as phase-resolved spectroscopy.
This work is funded by NASA and NSERC.
The author(s) of this abstract have provided an email address for comments about the abstract: gavriil@physics.mcgill.ca