{
  "bibcode": "2017GCN.20769....1U",
  "body": "A. Ursi (INAF/IAPS), P. Munar-Adrover (INAF/IAPS), F. Verrecchia (ASDC and\nINAF/OAR), M. Tavani (INAF/IAPS, and Univ. Roma Tor Vergata), A. Bulgarelli,\nV. Fioretti, A. Zoli, N. Parmiggiani (INAF/IASF-Bo), C. Pittori, F. Lucarelli\n(ASDC and INAF/OAR), G. Minervini, M. Cardillo, G. Piano, A. Argan, Y.\nEvangelista (INAF/IAPS), I. Donnarumma (ASI), F. Fuschino, M. Marisaldi\n(INAF/IASF-Bo and Bergen University),  A. Giuliani (INAF/IASF-Mi), M. Pilia,\nA. Trois (INAF/OA-Cagliari), F. Longo (Univ. Trieste and INFN Trieste)\nreport on behalf of the AGILE Team:\n\nIn response to the LIGO/Virgo GW event G275697 at T0 = 2017-02-27\n18:57:31.375 UTC, a preliminary analysis of the AGILE-GW fast data processing\nprocedure found no AGILE MiniCALorimeter (MCAL) event candidates within a\ntime interval covering -/+ 50 sec from the LIGO T0.\n\nTwo data acquisitions where collected about 30 sec before and 45 sec after\nthe LIGO T0; they show no significant transient candidate event. About 80%\nof the LIGO error box was observable by the AGILE MCAL. A 3-sigma UL was\ncomputed for a 1 s integration time, on different celestial positions within\nthe G275697 error box and varies from a minimum of 4.7e-7 erg cm^-2 to a\nmaximum of 11.3 e-7 erg cm^-2, assuming as spectral model a simple power law\nwith photon index 1.4. The AGILE-MCAL instrument is a CsI detector with a\n4-pi FoV, working in the range 0.4 - 100 MeV. Additional analysis of AGILE\ndata is in progress.",
  "circularId": 20769,
  "createdOn": 1488237480000,
  "email": "verrecchia@asdc.asi.it",
  "subject": "LIGO/Virgo G275697: AGILE MCAL Observations",
  "submitter": "Francesco Verrecchia at ASDC, INAF-OAR  <verrecchia@asdc.asi.it>",
  "eventId": "LIGO/Virgo G275697"
}