Long term XMM-Newton and INTEGRAL monitoring of SGR1806-20 after the Giant Flare

Details Long term XMM-Newton and INTEGRAL monitoring of SGR1806-20 after the Giant Flare Long term XMM-Newton and INTEGRAL monitoring of SGR1806-20 after the Giant Flare

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008xmm..prop..109m&link_type=abstract

XMM-Newton Proposal ID #06040902

Computer Science

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Sgr 1806-20

Scientific paper

In December 2004 SGR 1806-20 emitted the most powerful giant flare ever observed from a Soft Gamma-ray Repeater. This probably involved a large scale rearrangement of the magnetosphere leading to observable variations in the properties of its persistent X-ray emission. Comparison of the pre-flare observations with those obtained after this event supports the model of a magnetar with a twisted magnetosphere. We propose to continue our XMM-Newton monitoring of SGR 1806-20, complemented by INTEGRAL observations, in order to study the long term effects of the Giant Flare and how the source evolves toward quiescence after this once-in-a-lifetime event.

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