Fermi GBM Observations of LIGO Gravitational Wave event GW150914

  title={Fermi GBM Observations of LIGO Gravitational Wave event GW150914},
  author={Valerie Connaughton and Eric Burns and Adam Goldstein and Lindy Blackburn and M S Briggs and B.-B. Zhang and Jordan B. Camp and Nelson Christensen and C. M. Hui and Peter Jenke and Tyson B. Littenberg and J. Mcenery and Judith L. Racusin and Peter Shawhan and Leo P. Singer and John Veitch and Colleen A. Wilson-Hodge and P. N. Bhat and Elisabetta Bissaldi and William H. Cleveland and Gerard Fitzpatrick and Misty M. Giles and Melissa Gibby and A. von Kienlin and R. Marc Kippen and Sheila McBreen and Bagrat G. Mailyan and Charles A. Meegan and W. S. Paciesas and R. D. Preece and Oliver J. Roberts and Linda S. Sparke and Matthew Stanbro and K. Toelge and P{\'e}ter Veres},
  journal={The Astrophysical Journal},
With an instantaneous view of 70% of the sky, the Fermi Gamma-ray Burst Monitor (GBM) is an excellent partner in the search for electromagnetic counterparts to gravitational-wave (GW) events. GBM observations at the time of the Laser Interferometer Gravitational-wave Observatory (LIGO) event GW150914 reveal the presence of a weak transient above 50 keV, 0.4 s after the GW event, with a false-alarm probability of 0.0022 (2.9(sigma)). This weak transient lasting 1 s was not detected by any other… 

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