{
  "createdOn": 1685433631866,
  "submitter": "Francesco Verrecchia at SSDC,INAF-OAR <francesco.verrecchia@ssdc.asi.it>",
  "bibcode": "2023GCN.33894....1L",
  "subject": "LIGO/Virgo/KAGRA S230529ay: upper limits from AGILE/MCAL",
  "body": "F. Longo (Univ. Trieste, and INFN Trieste),  M. Tavani (INAF/IAPS,\nand Univ. Roma Tor Vergata), F. Verrecchia, C. Pittori (SSDC, and\nINAF/OAR), M. Cardillo, C. Casentini, L. Foffano, G. Piano (INAF/IAPS),\nA. Ursi (ASI and INAF/IAPS), F. Lucarelli (SSDC, and INAF/OAR),\nL. Baroncelli, A. Bulgarelli, A. Ciabattoni, A. Di Piano, V.\nFioretti, G. Panebianco, N. Parmiggiani (INAF/OAS-Bologna), M.\nPilia (INAF/OA-Cagliari), report on behalf of the AGILE Team:\n\nIn response to the LIGO/Virgo/KAGRA GW event S230529y at\nT0 = 2023-05-29 18:15:00.89 (UT), a preliminary analysis of the\nAGILE minicalorimeter (MCAL) triggered data found no event candidates\nwithin a time interval covering -/+ 15 sec from the LIGO/Virgo/KAGRA T0.\n\nAt the T0, about 60% of the S230529y 90% c.l. localization region\nwas accessible to the AGILE/MCAL.\n\nThree-sigma upper limits (ULs) are obtained for a 1 s integration\ntime at different celestial positions within the accessible S230529y\nlocalization region in the energy range 0.4-1 MeV, from a minimum\nof 1.5E-06 erg cm^-2 to a maximum of 3.1E-06 erg cm^-2 (assuming as\nspectral model a single power-law with photon index 1.5).\n\nAn independent procedure based on photon counting statistics provides\nUL fluences in the same band, from a minimum of 1.1E-08 erg cm^-2\nto a maximum of 2.1E-08 erg cm^-2.\n\nThe AGILE/MCAL detector is a CsI detector with a 4 pi FoV, sensitive\nin the energy range 0.4-100 MeV. Additional analysis of AGILE data\nis in progress.\n\n",
  "eventId": "LIGO/Virgo/KAGRA S230529ay",
  "circularId": 33894
}