GCN Circular 42608
Subject
GRB 251106A: Swift/BAT arcminute localization of a burst
Event
Date
2025-11-07T02:59:54Z (2 days ago)
From
Jimmy DeLaunay at Penn State <delauj2@gmail.com>
Via
Web form
James DeLaunay (PSU), Samuele Ronchini (GSSI), Aaron Tohuvavohu (Cosmic Frontier), Jamie A. Kennea (PSU), Tyler Parsotan (NASA GSFC) report:
Swift/BAT did not localize GRB 251106A onboard (T0: 2025-11-06T19:56:37 UTC, SVOM/ECLAIRS GCN 42605).
In a ground search of a 10 s event file, available due to a subthreshold trigger onboard. The GRB was detected at a S/N of 7.0 in a single 10 s, 15-150 keV image starting at ~T0 + 129 s.
The BAT position is
RA, Dec = 234.4744, +63.3387 deg which is
RA(J2000) = 15h 37m 53.9s
Dec(J2000) = +63d 20′ 19.3″
with an estimated uncertainty of 3 arcmin radius.