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TITLE:   GCN CIRCULAR
NUMBER:  33494
SUBJECT: INTEGRAL detection of a burst from SGR 1806-200
DATE:    23/03/21 09:43:58 GMT
FROM:    Sandro Mereghetti at IASF-Milano/INAF  <sandro.mereghetti@inaf.it>

S.Mereghetti (INAF, IASF-Milano), D.Gotz (CEA, Saclay), C.Ferrigno,
E.Bozzo, V.Savchenko (ISDC, Versoix), L.Ducci (IAAT, Germany and ISDC,
Versoix) and J.Borkowski (CAMK, Torun) report:

A bright short burst (~80 ms) from the magnetar SGR 1806-20 has been
detected in the  IBIS/ISGRI data at 06:12:21  UT of March 21, 2023.   A
preliminary analysis indicates a fluence of about 1e-4 erg/cm2 in the
20-200 keV range.

This burst has been also detected by the Fermi/GBM (trigger n. 701071944)