The AGILE satellite detected a burst at T0 = 2022-05-27 09:17:14.55 (UTC). The event is clearly visible in the AGILE scientific ratemeters of the SuperAGILE (SA; 20-60 keV), MiniCALorimeter (MCAL; 0.4-100 MeV), and AntiCoincidence (AC; 50-200 keV) detectors. The event lasted about 15 s and it released a total number of 1860 counts in the SA detector (above a background rate of 50 Hz), 27875 counts in the MCAL detector (above a background rate of 1380 Hz), and 67515 counts in the AC detector (above a background rate of 3470 Hz). The AGILE ratemeter light curves can be found at http://www.agilescienceapp.it/notices/GRB220527A_AGILE_RM.png . The event also triggered a high time resolution MCAL data acquisition, where it released 12500 counts in the detector, above a background rate of 630 Hz. We notice that most of the signal is revealed in the E < 1.4 MeV energy channels. The MCAL light curve can be found at http://www.agilescienceapp.it/notices/GRB220527A_078464_580727834.552109.png . Additional analysis of AGILE data is in progress. Automatic MCAL GRB alert Notices can be found at: https://gcn.gsfc.nasa.gov/agile_mcal.html....
GRB 220527A: AGILE detection / Ursi, A.; Piano, G.; Pittori, C.; Verrecchia, F.; Tavani, M.; Argan, A.; Cardillo, M.; Casentini, C.; Evangelista, Y.; Foffano, L.; Menegoni, E.; Lucarelli, F.; Bulgarelli, A.; di Piano, A.; Fioretti, V.; Fuschino, F.; Parmiggiani, N.; Romani, M.; Marisaldi, M.; Pilia, M.; Trois, A.; Donnarumma, I.; Giuliani, A.; Longo, F.; Tempesta, P.; Agile, Team. - (2022).
GRB 220527A: AGILE detection
di Piano, A.;
2022
Abstract
The AGILE satellite detected a burst at T0 = 2022-05-27 09:17:14.55 (UTC). The event is clearly visible in the AGILE scientific ratemeters of the SuperAGILE (SA; 20-60 keV), MiniCALorimeter (MCAL; 0.4-100 MeV), and AntiCoincidence (AC; 50-200 keV) detectors. The event lasted about 15 s and it released a total number of 1860 counts in the SA detector (above a background rate of 50 Hz), 27875 counts in the MCAL detector (above a background rate of 1380 Hz), and 67515 counts in the AC detector (above a background rate of 3470 Hz). The AGILE ratemeter light curves can be found at http://www.agilescienceapp.it/notices/GRB220527A_AGILE_RM.png . The event also triggered a high time resolution MCAL data acquisition, where it released 12500 counts in the detector, above a background rate of 630 Hz. We notice that most of the signal is revealed in the E < 1.4 MeV energy channels. The MCAL light curve can be found at http://www.agilescienceapp.it/notices/GRB220527A_078464_580727834.552109.png . Additional analysis of AGILE data is in progress. Automatic MCAL GRB alert Notices can be found at: https://gcn.gsfc.nasa.gov/agile_mcal.html....
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