TITLE: GCN CIRCULAR NUMBER: 32247 SUBJECT: GRB 220623A: AGILE detection DATE: 22/06/23 11:41:48 GMT FROM: Alessandro Ursi at INAF/IAPS A. Ursi (INAF/IAPS), F. Lucarelli, C. Pittori, F. Verrecchia (SSDC, and INAF/OAR), M. Tavani (INAF/IAPS, and Univ. Roma Tor Vergata), A. Argan, M. Cardillo, C. Casentini, Y. Evangelista, L. Foffano, E. Menegoni, G. Piano (INAF/IAPS), A. Bulgarelli, A. Di Piano, V. Fioretti, N. Parmiggiani (INAF/OAS-Bologna), M. Romani (INAF/OA-Brera), M. Marisaldi (INAF/OAS-Bologna, and Bergen University), M. Pilia, A. Trois (INAF/OA-Cagliari), I. Donnarumma (ASI), A. Giuliani (INAF/IASF-Mi), F. Longo (Univ. Trieste and INFN Trieste), and P. Tempesta (TeleSpazio), report on behalf of the AGILE Team: The AGILE satellite detected the GRB 220623A at T0 = 2022-06-23 07:04:14 s (UTC), reported by Swift BAT (GCN #32243), Swift XRT (GCN #32244), and AstroSat CZTI (GCN #32246). 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 25 s and it released a total number of 1950 counts in the SA detector (above a background rate of 85 Hz), 29800 counts in the MCAL detector (above a background rate of 1050 Hz), and 72370 counts in the AC detector (above a background rate of 2770 Hz). The AGILE ratemeters light curves can be found at http://www.agilescienceapp.it/notices/GRB220623A_AGILE_RM.png . The event also triggered a partial high time resolution MCAL data acquisition, from T1 = 2022-06-23 07:04:09.65 s (UTC) to T2 = 2022-06-23 07:04:16.15 s (UTC), and released 4200 counts in the detector, above a background rate of 530 Hz. The MCAL light curve can be found at http://www.agilescienceapp.it/notices/GRB220623A_078852_583052654.000000.png . At the T0, the event was 35 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.