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http://hdl.handle.net/20.500.12386/34939
Titolo: | LIGO/Virgo S200208q : upper limits from AGILE/GRID observations | Autori: | CARDILLO , MARTINA Longo, F. TAVANI, Marco CASENTINI, CLAUDIO PIANO, Giovanni URSI, ALESSANDRO LUCARELLI, Fabrizio PITTORI, Carlotta VERRECCHIA, Francesco BULGARELLI, ANDREA FIORETTI, Valentina PARMIGGIANI, NICOLO PILIA, Maura Agile Team |
Data pubblicazione: | 2020 | Rivista: | GRB Coordinates Network | Numero: | 27021 | Da pagina:: | 1 | Abstract: | In response to the LIGO-Virgo GW event S200208q at T0 = 2020-02-08 13:01:17.991 (UTC) a preliminary analysis of the AGILE exposure at T0 shows that the Gamma-Ray Imaging Detector (GRID) exposure covered the 37% of the 90% c.l. localization region (LR). We performed an analysis of the GRID data in the energy range 50 MeV - 10 GeV on T0, where good exposure of the S200208q 90% c.l. LR was available. No candidate gamma-ray transient was detected. The following preliminary GRID values of 3-sigma upper limit (UL) are obtained: from 7.0e-08 to 7.4e-06 erg cm^-2 s^-1, with exposure of about 72% of the LR over the time interval ( T0s ; T0 + 100s ); These measurements were obtained with AGILE observing a large portion of the sky in spinning mode. Additional analysis of AGILE data is in progress. | URI: | http://hdl.handle.net/20.500.12386/34939 | URL: | https://gcn.gsfc.nasa.gov/gcn/gcn3/27021.gcn3 | Bibcode ADS: | 2020GCN.27021....1C | Fulltext: | open |
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