GCN Circular 23930
Subject
GRB 190305A: AGILE/MCAL detection of a burst
Date
2019-03-05T14:39:05Z (6 years ago)
From
Alessandro Ursi at INAF/IAPS <alessandro.ursi@gmail.com>
A. Ursi (INAF/IAPS), M. Cardillo, C. Casentini (INAF/IAPS), C. Pittori
(SSDC, and INAF/OAR), A. Bulgarelli, N. Parmiggiani (INAF/OAS-Bologna), M.
Tavani (INAF/IAPS, and Univ. Roma Tor Vergata), A. Argan, M. Cardillo, Y.
Evangelista, G. Piano (INAF/IAPS), F. Lucarelli, F. Verrecchia (SSDC, and
INAF/OAR), V. Fioretti, F. Fuschino (INAF/OAS-Bologna), M. Marisaldi
(INAF/OAS-Bologna, and Bergen University), M. Pilia, A. Trois
(INAF/OA-Cagliari), I. Donnarumma (ASI), F. Longo (Univ. Trieste and INFN
Trieste), A. Giuliani (INAF/IASF-Mi), report on behalf of the AGILE Team:
The AGILE Mini-CALorimeter (MCAL) detected a burst at T0 = 2019-03-05
13:05:19.34 +/- 0.01 s (UTC).
The event lasted about 1.8 s and released a total number of ~8040 counts in
the detector (in the 0.4-100 MeV energy range), above an average background
rate of 620 counts / s. The burst is also clearly visible in the scientific
ratemeters of the Anti-Coincidence (AC, 50-200 keV), SuperAGILE (SA, 18-60
keV) and MiniCALorimeter (MCAL, 0.4-100 MeV) detectors.
Further analysis is still in progress.
The AGILE-MCAL detector has a full solid angle acceptance, and is
operational in the range 0.4 - 100 MeV.