A NEW POPULATION OF ULTRA-LONG DURATION GAMMA-RAY BURSTS

@article{Levan2013ANP,
  title={A NEW POPULATION OF ULTRA-LONG DURATION GAMMA-RAY BURSTS},
  author={A. Levan and N. Tanvir and R. Starling and K. Wiersema and K. Page and D. Perley and S. Schulze and G. Wynn and R. Chornock and J. Hjorth and S. Cenko and A. Fruchter and P. O'Brien and G. C. Brown and R. Tunnicliffe and D. Malesani and P. Jakobsson and D. Watson and E. Berger and D. Bersier and B. Cobb and S. Covino and A. Cucchiara and A. U. Postigo and D. Fox and A. Gal-yam and P. Goldoni and J. Gorosabel and L. Kaper and T. Kr{\"u}hler and R. Karjalainen and J. Osborne and E. Pian and R. S'anchez-Ram'irez and B. Schmidt and I. Skillen and G. Tagliaferri and C. Thone and O. Văduvescu and R. Wijers and B. Zauderer},
  journal={The Astrophysical Journal},
  year={2013},
  volume={781},
  pages={13}
}
  • A. Levan, N. Tanvir, +38 authors B. Zauderer
  • Published 2013
  • Physics
  • The Astrophysical Journal
  • We present comprehensive multiwavelength observations of three gamma-ray bursts (GRBs) with durations of several thousand seconds. We demonstrate that these events are extragalactic transients; in particular, we resolve the long-standing conundrum of the distance of GRB 101225A (the "Christmas-day burst"), finding it to have a redshift z = 0.847 and showing that two apparently similar events (GRB 111209A and GRB 121027A) lie at z = 0.677 and z = 1.773, respectively. The systems show extremely… CONTINUE READING
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