Disclosing the gamma-ray burst circumburst ambient with XMM-Newton

Details Disclosing the gamma-ray burst circumburst ambient with XMM-Newton Disclosing the gamma-ray burst circumburst ambient with XMM-Newton

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007xmm..prop..128c&link_type=abstract

XMM-Newton Proposal ID #05543701

Statistics

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, Grb1, Xmm-Newton Proposal Id #05543701

Scientific paper

Long Gamma-ray Bursts (GRBs) signal the death of massive stars. The afterglow emission can be used to probe the progenitor ambient through a detailed study of the absorption pattern. Taking advantage of Swift observations, we propose here to observe bright GRB afterglows within 9 hr from their explosions with XMM-Newton. These constraints will allow us to have access to an unprecedented statistics. Detailed studies of the absorption pattern imprinted in the X-ray spectrum by the circumburst material will be carried out, leading to infer the progenitor initial mass, initial metallicity and rotational velocity.

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