INTEGRAL UPPER LIMITS ON GAMMA-RAY EMISSION ASSOCIATED WITH THE GRAVITATIONAL WAVE EVENT GW150914

@article{Savchenko2016INTEGRALUL,
  title={INTEGRAL UPPER LIMITS ON GAMMA-RAY EMISSION ASSOCIATED WITH THE GRAVITATIONAL WAVE EVENT GW150914},
  author={V. Savchenko and Carlo Ferrigno and Sandro Mereghetti and Lorenzo Natalucci and Angela Bazzano and Enrico Bozzo and S{\o}ren Brandt and T. J.-L. Courvoisier and Roland Diehl and Lorraine Hanlon and A. von Kienlin and Erik Kuulkers and Philippe Laurent and François Lebrun and J. P. Roques and Pietro Ubertini and Georg Weidenspointner},
  journal={The Astrophysical Journal},
  year={2016},
  volume={820},
  pages={1-5}
}
Using observations of the INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL), we place upper limits on the gamma-ray and hard X-ray prompt emission associated with the gravitational wave event GW150914, which was discovered by the LIGO/Virgo Collaboration. The omnidirectional view of the INTEGRAL/SPI-ACS has allowed us to constrain the fraction of energy emitted in the hard X-ray electromagnetic component for the full high-probability sky region of LIGO triggers. Our upper limits on the… 

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