Jet Breaks in Short Gamma-Ray Bursts. I: The Uncollimated Afterglow of GRB 050724

@article{Grupe2006JetBI,
  title={Jet Breaks in Short Gamma-Ray Bursts. I: The Uncollimated Afterglow of GRB 050724},
  author={D. Grupe and D. Burrows and S. Patel and C. Kouveliotou and B. Zhang and P. M{\'e}sz{\'a}ros and Ralph A. M. Wijers and N. Gehrels},
  journal={arXiv: Astrophysics},
  year={2006}
}
  • D. Grupe, D. Burrows, +5 authors N. Gehrels
  • Published 2006
  • Physics
  • arXiv: Astrophysics
    • We report the results of the \chandra observations of the \swift-discovered short Gamma-Ray Burst GRB 050724. \chandra observed this burst twice, about two days after the burst and a second time three 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… CONTINUE READING
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    The light curve shows the observed 0.3-1.0 keV unabsorbed flux. The right panel displays the Swift XRT and Chandra ACIS-S light curves of the decline of the late time flare
    • The dotted lines display the decay slopes of the afterglow (left, α=0.98 +0.11 −0.09 ), and the flare decay (right