Temporal and spectral evolution in X- and gamma-rays of magnetar 1E 1547.0-5408 since its October 2008 outburst: the discovery of a transient hard pulsed component after its January 2009 outburst

Abstract

The magnetar 1E 1547.0-5408 exhibited outbursts in October 2008 and January 2009. In this paper we present in great detail the evolution of the temporal and spectral characteristics of the persistent total and pulsed emission of 1E 1547.0-5408 between ~1 and 300 keV starting in October 3, 2008, and ending in January 2011. We analyzed data collected with the Rossi X-ray Timing Explorer, the International Gamma-Ray Astrophysics Laboratory and the Swift satellite.

arXiv comment33 pages, 14 figures of which 3 in color, accepted by ApJ on Jan 26, 2012

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• Variation of Spectral and Timing Properties in the Extended Burst Tails from the Magnetar 4U 0142+61
• Burst Tails from SGR J1550-5418 Observed with Rossi X-ray Timing Explorer
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