SN 2003jd; A GRB-like hypernova

Details SN 2003jd; A GRB-like hypernova SN 2003jd; A GRB-like hypernova

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1611w&link_type=abstract

Chandra Proposal ID #04508161

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Chandra Proposal Id #04508161

Scientific paper

SN 2003jd has been identified as a peculiar Type Ic (Stanek et al. GCN 2431) showing strong similarities with SN 1998bw near maximum. However the spectrum does not match well with other peculiar type Ic's like SN 1997ef or 2002ap. There is an association between GRBs and hypernovae (HNe), (1998bw/980425 & 2003dh/030329) and it has been suggested that HNe are GRBs observed off-axis and that HNe-without-GRBs may have early X-ray emission identifiable with non-thermal afterglow-like emission. SN 2003jd is an excellent candidate, the best to date, for a GRB-like HN without an observed GRB and represents an opportunity to examine the characteristics of a GRB-less HN where the HN appears to be very similar to those observed in GRBs. The paucity of X-ray data on HNe & this HN's similarity to a GRB, prompts us to request an initial imaging observation with Chandra (with a possible follow-up observation after 1 month), to determine the X-ray luminosity and the behaviour of the lightcurve.

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