INTEGRAL Observations of Gravitational-Wave Counterparts & Future Perspectives: Searching for GBM Un-Triggered SGRB with PICsIT

James Rodi, A. Bazzano, L. Natalucci, P. Ubertini, S. Mereghetti, E. Bozzo, C. Ferrigno, V. Savchenko, T. J.-L. Courvoisier, E. Kuulkers, S. Brandt, J. Chenevez, R. Diehl, Andreas von Kienlin, L. Hanlon, A. Martin-Carrillo, E. Jourdain, J. -P. Roques, P. Laurent, F. LebrunA. Lutovinov, R. Sunyaev

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The X-ray/gamma-ray mission INTEGRAL detected the short GRB170817A and demonstrated its association to a gravitational wave trigger, GW170817. This marks the first time a binary neutron star merger was detected by the LIGO-Virgo collaboration and that an electromagnetic counterpart to a gravitational wave event has been observed. GRB170817A was detected by the SPI-ACS on-board INTEGRAL and the Fermi/GBM instruments ∼ 1:7 s after the GW event. Following the prompt emission, INTEGRAL performed pointed observations for 5.4 days. During this time the instruments provided stringent upper limits on any electromagnetic signal in the 3keV to 8 MeV range. Interestingly, the GRB was found to be extremely subluminous.In light of these results from GRB170817A, we have begun analysis of soft gamma-ray data(200 keV - 2:6 MeV ) from INTEGRAL/PICsIT. With this wide field-of-view instrument, we have begun searching for untriggered SGRBs reported by Fermi/GBM as well as preparing for real-time analysis during future LIGO-Virgo observing runs.
Original languageEnglish
Title of host publicationProceedings of The international GRAvitational-wave Science&technology Symposium (GRASS 2018)
Number of pages8
PublisherProceedings of Science
Publication date2018
Article numberPoS(GRASS2018)023
Publication statusPublished - 2018
EventGravitational-waves Science&Technology Symposium (GRASS2018) - Palazzo Moroni, Padova, Italy
Duration: 1 Mar 20182 Mar 2018


ConferenceGravitational-waves Science&Technology Symposium (GRASS2018)
LocationPalazzo Moroni

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