XMM-Newton Proposal 03071101

Details XMM-Newton Proposal 03071101 XMM-Newton Proposal 03071101

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004xmm..prop..226m&link_type=abstract

XMM-Newton Proposal ID #03071101

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Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Gc(0, -2), Xmm-Newton Proposal 03071101

Scientific paper

We propose a 30 ksec XMM-Newton observation of very enigmatic diffuse structure at 1.5 degree south from the Galactic center. We first discovered this structure with ROSAT. Then with ASCA, we found that the spectrum exhibits thin thermal emission accompanied with a hard tail which may be nonthermal radiation from high energy electrons. These results imply presence of a strong shock in this region, possibly due to a jet from Sgr A*, which was active in the past 10^4 years ago. With the observation of XMM-Newton, we obtain the richest statistics ever achieved. Then we will reveal the shock front from the image, and verify the origin from the temperature and the brightness distribution.

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