Monitoring Sgr A* X-ray and Near-Infrared flaring activity

Details Monitoring Sgr A* X-ray and Near-Infrared flaring activity Monitoring Sgr A* X-ray and Near-Infrared flaring activity

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007xmm..prop..147g&link_type=abstract

XMM-Newton Proposal ID #05547502

Physics

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, Sgr A*, Sgr A*, Xmm-Newton Proposal Id #05547502

Scientific paper

We propose to continue the monitoring of the flaring activity of the galactic supermassive black hole Sgr A*, with XMM-Newton and the VLT in order to detect a new brigth and long X-ray/Near-IR flare from this source that will allow us to: 1) Measure simultaneously the flare spectral shape in the X-ray and NIR bands and thus reveal the emission mechanisms and the accretion/ejection flows properties in the vicinity of the BH. 2) Confirm the presence of periodic X- ray modulations on timescales of 20-30 min, and measure the period and the light curve shape in order to explore the behavior of accreting matter at the very edge of the BH event horizon and possibly constrain the BH spin.

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