Jet Breaks in Short Gamma-Ray Bursts. II. The Collimated Afterglow of GRB 051221A

  title={Jet Breaks in Short Gamma-Ray Bursts. II. The Collimated Afterglow of GRB 051221A},
  author={D. Burrows and D. Grupe and M. Capalbi and Alin Panaitescu and S. Patel and C. Kouveliotou and B. Zhang and P. M{\'e}sz{\'a}ros and G. Chincarini and N. Gehrels and R. Wijers},
  journal={The Astrophysical Journal},
  • D. Burrows, D. Grupe, +8 authors R. Wijers
  • Published 2006
  • Physics
  • The Astrophysical Journal
  • We report the results of the Chandra observations of the Swift-discovered short gamma-ray burst GRB 050724. Chandra observed this burst twice, about 2 days after the burst and a second time 3 weeks later. The first Chandra pointing occurred at the end of a strong late-time flare. About 150 photons were detected during this 49.3 ks observation in the 0.4-10.0 keV range. The spectral fit is in good agreement with spectral analysis of earlier Swift XRT data. In the second Chandra pointing the… CONTINUE READING
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