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The Jet and the Supernova in GRB990712

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arxiv astro-ph/0104174 v1 pith:7L7TSBWR submitted 2001-04-10 astro-ph

G. Bjornsson , J. Hjorth , P. Jakobsson , L.Christensen , S. Holland This is my paper · ORCID
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keywords curvelightbreakgrb990712supernovaafterglowburstcollimated
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The optical light curve of the afterglow following the gamma-ray burst GRB990712 is re-examined. Recently published polarization measurements of that source require a collimated outflow geometry that in turn predicts a break in the light curve. We show that the V-band light curve is consistent with such a break and that the post-break light curve evolution is dominated by a supernova contribution.

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Cited by 1 Pith paper

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  1. Gamma-ray burst progenitors revisited

    astro-ph.HE 2026-07 conditional novelty 6.0 of 10

    About 30–40% of long gamma-ray bursts at z<0.3 lack supernova emission and likely arise from compact object mergers, at rates comparable to short GRBs.

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