GCN Circular 42761
Subject
GRB 251119A: SVOM trigger sb25111901 is not a GRB
Event
Date
2025-11-19T13:26:53Z (2 days ago)
From
SVOM_group <svomgroup@bao.ac.cn>
Via
Web form
C. Wu (NAOC), K.X. Gong (CHO), M. Brunet (IRAP), D. Turpin, S. Schanne, D. Gotz (CEA), U. Jacob (LUPM), report on behalf of the SVOM mission team:
At 2025-11-19T08:47:44 SVOM issued an alert with burst-id: sb25111901.
The following circular(s) have been published regarding this event: GCN 42757, with the event labelled as GRB 251119A
This event is not a GRB of astrophysical origin. After reprocessing the data with the full telemetry, this trigger is no longer considered as an astrophysical source but is due to coding noise from the Crab in the field of view.
We apologize for any inconvenience this may have caused.
The Burst Advocate (BA) on shift for this alert is Chao Wu: cwu@bao.ac.cn.
Please contact the BA by email if you require additional information.