Grating Observation of GRB020813

Details Grating Observation of GRB020813 Grating Observation of GRB020813

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cxo..prop.1342r&link_type=abstract

Chandra Proposal ID #03508118

Physics

Chandra Proposal Id #03508118

Scientific paper

The SXC on HETE has just localized a very bright (>10 Crab) GRB to an accuracy of 1 arcmin. Within minutes of the burst location being disseminated, an optical transient was discovered in the SXC error box. HETE is expected to detect only 2-3 such events per year with the SXC. Since this burst has some X-ray characteristics reminescent of GRB011121 (Reeves et al 2002), a grating observation with Chandra could establish definitively whether hydrogen-like emission lines from non-iron metals are characteristic of bright GRBs, as is predicted by the "supranova" model (Vietri and Stella 1999).

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