A Major Outburst from AXP 1E 1547-5407

Details A Major Outburst from AXP 1E 1547-5407 A Major Outburst from AXP 1E 1547-5407

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008xmm..prop..133k&link_type=abstract

XMM-Newton Proposal ID #06048801

Physics

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, 1E 1547.0-5408

Scientific paper

On October 3 (one week before this proposal was due!), AXP 1E 1547-5408 went into outburst, as detected by Swift and Fermi, and subsequently RXTE and CXO. Such AXP outbursts are rare yet are crucial to study as they have the potential to greatly constrain the physics of magnetars, and possibly neutron star structure. Here we propose XMM observations of 1E 1547-5408 as it fades back to quiescence, in order to test models of magnetar post-outburst relaxation. Specifically, we request 2 EPIC observations roughly 6 months apart in Cycle 8, to determine the functional form of the flux decay, as well as the spectral evolution.

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