[vsnet-grb-info 26278] GRB 200907A: AGILE/MCAL detection of a burst

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  28378
SUBJECT: GRB 200907A: AGILE/MCAL detection of a burst
DATE:    20/09/07 16:09:14 GMT
FROM:    Alessandro Ursi at INAF/IAPS  <alessandro.ursi at gmail.com>

A. Ursi (INAF/IAPS), F. Verrecchia (SSDC, and INAF/OAR), M. Tavani
(INAF/IAPS, and Univ. Roma Tor Vergata), A. Argan, M. Cardillo, C.
Casentini, Y. Evangelista, G. Piano (INAF/IAPS), F. Lucarelli, C. Pittori
(SSDC, and INAF/OAR), A. Bulgarelli, V. Fioretti, F. Fuschino, N.
Parmiggiani (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 short burst at T0 = 2020-09-07
14:24:24.73 +/- 0.01 s (UTC).

The event lasted about 1.6 s and released a total number of ~350 counts in
the detector (in the 0.4-100 MeV energy range), above an average background
rate of 680 Hz.

The light curve shows a single sharp peak and it can be found at
http://www.agilescienceapp.it/notices/GRB_069464_526573464.733762.png .

The event is also clearly visible in the AGILE Scientific Ratemeters of the
SuperAGILE [SA; 18-60 keV], MiniCALorimeter [MCAL; 0.4-100 MeV], and
AntiCoincidence [AC; 50-200 keV] detectors.

The AGILE-MCAL detector is a CsI detector with a 4 pi FoV, sensitive in the
energy range 0.4-100 MeV. 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.