Resuming the long term monitoring of SGR 1806-20 after the giant flare

Details Resuming the long term monitoring of SGR 1806-20 after the giant flare Resuming the long term monitoring of SGR 1806-20 after the giant flare

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop...63m&link_type=abstract

XMM-Newton Proposal ID #06715001

Computer Science

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

Scientific paper

In 2004 SGR1806-20 emitted the most powerful giant flare ever observed from a Soft Repeater, involving a large scale rearrangement of its magnetosphere and leading to significant changes in its X-ray emission. Comparison of the pre- and post-flare data supports the twisted-magnetosphere models. The long term effects of the giant flare and the source evolution after this unique event are studied with a long term XMM-Newton monitoring. Based on the observed source behavior, in AO9 we decided to reduce the monitoring to a single pointing per year (instead than one every 6 months). However, the AO9 observation was ranked in C priority and it has not been performed. It is therefore important to secure a new observation to continue the long term monitoring.

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