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GCN Circular 29930

Subject
GRB 210504A: update on the BAT trigger time and burst duration
Date
2021-05-04T17:11:37Z (3 years ago)
From
Amy Lien at GSFC <amy.y.lien@nasa.gov>
A. Y. Lien (GSFC/UMBC), A. P. Beardmore (U Leicester),
and K. L. Page (U Leicester) report on behalf of the Neil Gehrels
Swift Observatory Team:

We received further data from recent telemetry downlink.
The trigger time for GRB 210504A (Swift trigger #1046782;
Beardmore et al., GCN Circ. 29929) is
2021-05-04T13:54:53 UTC.

Based on currently available data from T-60 to T+63 sec,
the burst duration is longer than 50 seconds.
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