GRB 091024A AND THE NATURE OF ULTRA-LONG GAMMA-RAY BURSTS

@article{Virgili2013GRB0A,
  title={GRB 091024A AND THE NATURE OF ULTRA-LONG GAMMA-RAY BURSTS},
  author={Francisco J. Virgili and C. G. Mundell and Valentin D. Pal'shin and Cristiano Guidorzi and Raffaella Margutti and A. Melandri and Richard Harrison and Sosuke Kobayashi and Ryan Chornock and Arne Anthon Henden and Adria C. Updike and S. Bradley Cenko and Nial R. Tanvir and Iain A. Steele and A. Cucchiara and Andreja Gomboc and Andrew J. Levan and Zach Cano and Christopher J. Mottram and Neil R. Clay and David Bersier and Drejc Kopa{\vc} and J. Japelj and Alexei V. Filippenko and W. D. Li and Dmitry S. Svinkin and Sergey Golenetskii and Dieter H. Hartmann and Peter A. Milne and G. Grant Williams and P. T. O’Brien and Derek B. Fox and Edo Berger},
  journal={The Astrophysical Journal},
  year={2013},
  volume={778}
}
We present a broadband study of gamma-ray burst (GRB) 091024A within the context of other ultra-long-duration GRBs. An unusually long burst detected by Konus–Wind (KW), Swift, and Fermi, GRB 091024A has prompt emission episodes covering ∼1300 s, accompanied by bright and highly structured optical emission captured by various rapid-response facilities, including the 2 m autonomous robotic Faulkes North and Liverpool Telescopes, KAIT, S-LOTIS, and the Sonoita Research Observatory. We also… 

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