The AGILE satellite detected the long GRB 220624A at T0 = 2022-06-24 02:58:35 s (UTC), reported by Fermi GBM (GCN #32256). The burst 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 57 s and it released a total number of 5930 counts in the SA detector (above a background rate of 70 Hz), 88920 counts in the MCAL detector (above a background rate of 1135 Hz), and 212145 counts in the AC detector (above a background rate of 3195 Hz). The AGILE ratemeters light curves can be found at http://www.agilescienceapp.it/notices/GRB220624A_AGILE_RM.png . The event also triggered a partial high time resolution MCAL data acquisition, from T1 = 2022-06-24 02:58:34.36 s (UTC) to T2 = 2022-06-24 02:58:46.85 s (UTC), and released 14630 counts in the detector, above a background rate of 620 Hz. The MCAL light curve can be found at http://www.agilescienceapp.it/notices/GRB220624A_078864_583124315.000000.png . At the T0, the event was 20 deg off-axis. 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 220624A: AGILE detection / Ursi, A.; Foffano, L.; Tavani, M.; Argan, A.; Cardillo, M.; Casentini, C.; Evangelista, Y.; Menegoni, E.; Piano, G.; Bulgarelli, A.; di Piano, A.; Fioretti, V.; Parmiggiani, N.; Lucarelli, F.; Pittori, C.; Verrecchia, F.; Romani, M.; Marisaldi, M.; Pilia, M.; Trois, A.; Donnarumma, I.; Giuliani, A.; Longo, F.; Tempesta, P.; Agile, Team. - (2022).
GRB 220624A: AGILE detection
di Piano, A.;
2022
Abstract
The AGILE satellite detected the long GRB 220624A at T0 = 2022-06-24 02:58:35 s (UTC), reported by Fermi GBM (GCN #32256). The burst 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 57 s and it released a total number of 5930 counts in the SA detector (above a background rate of 70 Hz), 88920 counts in the MCAL detector (above a background rate of 1135 Hz), and 212145 counts in the AC detector (above a background rate of 3195 Hz). The AGILE ratemeters light curves can be found at http://www.agilescienceapp.it/notices/GRB220624A_AGILE_RM.png . The event also triggered a partial high time resolution MCAL data acquisition, from T1 = 2022-06-24 02:58:34.36 s (UTC) to T2 = 2022-06-24 02:58:46.85 s (UTC), and released 14630 counts in the detector, above a background rate of 620 Hz. The MCAL light curve can be found at http://www.agilescienceapp.it/notices/GRB220624A_078864_583124315.000000.png . At the T0, the event was 20 deg off-axis. 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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