The Long-term Radiative Evolution of Anomalous X-Ray Pulsar 1E 2259+586 After its 2002 Outburst

Details The Long-term Radiative Evolution of Anomalous X-Ray Pulsar 1E 2259+586 After its 2002 Outburst The Long-term Radiative Evolution of Anomalous X-Ray Pulsar 1E 2259+586 After its 2002 Outburst

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008apj...686..520z&link_type=abstract

The Astrophysical Journal, Volume 686, Issue 1, pp. 520-527.

Astronomy and Astrophysics

Astronomy

16

Stars: Pulsars: Individual: Alphanumeric: 1E 2259+586, Stars: Neutron, X-Rays: Stars

Scientific paper

We present an analysis of five XMM-Newton observations of the anomalous X-ray pulsar (AXP) 1E 2259+586 taken in 2004 and 2005 during its relaxation following its 2002 outburst. We compare these data with those of five previous XMM-Newton observations taken in 2002 and 2003, and find the observed flux decay is well described by a power law of index -0.69+/-0.03. As of mid-2005, the source may still have been brighter than preoutburst, and was certainly hotter. We find a strong correlation between hardness and flux, as seen in other AXPs. We discuss the implications of these results for the magnetar model.

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