Computer Science
Scientific paper
Sep 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1623k&link_type=abstract
Chandra Proposal ID #05508173
Computer Science
Chandra Proposal Id #05508173
Scientific paper
Recent results indicate that there is a common convergence of several classes of transient phenomena (GRBs, GRB 980425/SN 1998bw, XRFs, and the most energetic SNe), to a common luminosity ~10^39-10^40 erg/s about 3-10 years after the explosive event. A simple theoretical interpretation favors a continuum of events in which the early luminosity is sensitive to the angle at which the event is observed. GRB031203 may well be the first of these `gap' events if its X-ray luminosity can be attributed to its having been viewed substantially off-axis. Further, if its reported redshift of z=0.105 is confirmed, GRB031203 is the closest GRB after GRB980425 and thus, an excellent candidate for a SN to be found in its lightcurve. Indeed, recent observations (GCN 2544) indicate that this may be the case. Our suggested 75 ks observation of GRB031203 will provide a luminosity limit of ~5.5x10^(40) erg/s, comparable to the luminosity seen in SN 1998bw after a few hundred days.
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