{
  "bibcode": "2019GCN.25756....1L",
  "body": "F. Lucarelli, F. Verrecchia (SSDC, and INAF/OAR), M. Tavani (INAF/IAPS, and Univ.\nRoma Tor Vergata), C. Casentini, M. Cardillo, G. Piano, A. Ursi (INAF/IAPS),\nC. Pittori (SSDC, and INAF/OAR), A. Bulgarelli, V. Fioretti, N. Parmiggiani\n(INAF/OAS-Bologna), M. Pilia (INAF/OA-Cagliari), F. Longo (Univ. Trieste, and\nINFN Trieste) report on behalf of the AGILE Team:\n\nIn response to the LIGO/Virgo GW event S190915ak at T0 = 2019-09-15 23:57:02 (UT),\na preliminary analysis of the AGILE minicalorimeter (MCAL) triggered data found\nno event candidates within a time interval covering -/+ 15 sec from the LIGO/Virgo T0.\n\nAt the T0, the whole S190915ak 90 c.l. localization region was accessible\nto the AGILE MCAL. Three-sigma upper limits (ULs) are obtained for a 1 s\nintegration time at different celestial positions within the accessible S190915ak\nlocalization region, from a minimum of 1.6E-06 erg cm^-2 to a maximum of\n7.0E-06 erg cm^-2 (assuming as spectral model a single power law with photon\nindex 1.5).\n\nThe AGILE-MCAL detector is a CsI detector with a 4 pi FoV, sensitive in the\nenergy range 0.4-100 MeV. Additional analysis of AGILE data is in progress.",
  "circularId": 25756,
  "createdOn": 1568605052000,
  "email": "fabrizio.lucarelli@ssdc.asi.it",
  "subject": "LIGO/Virgo S190915ak: No counterpart candidate in AGILE-MCAL observations",
  "submitter": "Fabrizio Lucarelli at SSDC/INAF-OAR  <fabrizio.lucarelli@ssdc.asi.it>",
  "eventId": "LIGO/Virgo S190915ak"
}