The Jet and the Supernova in GRB 990712

2001/04/10 by G. Bjornsson, G. Björnsson, J. Hjorth +3 · 4 citations
Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysics and Cosmic Phenomena #Gamma-ray bursts and supernovae #astro-ph

paper · pdf · doi:10.1086/320328

published as Astrophys.J. 552 (2001) L121-L124 · 4 pages, 1 figure, accepted for publication in ApJL

arxiv created 2001/04/10 · openalex publication_date 2001/05/10 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/31

Abstract

The optical light curve of the afterglow following the gamma-ray burst GRB 990712 is reexamined. 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 postbreak light-curve evolution is dominated by a supernova contribution.

Citations

• The Jet and Circumburst Stellar Wind of GRB 980519

Cited by

• Hubble Space Telescopeand Ground‐based Optical and Ultraviolet Observations of GRB 010222
• Detection of a Supernova Signature Associated with GRB 011121
• GRB 010921: Strong Limits on an Underlying Supernova from theHubble Space Telescope
• Can Gamma‐Ray Bursts Be Used to Measure Cosmology? A Further Analysis

Related

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• Contribution to the Radio Light Curves of a Core-Collapse Supernova due to the Off-axis Gamma-Ray Burst Afterglow
• The Jet and Circumburst Stellar Wind of GRB 980519