GCN Circular 4342
Subject
GRB 051211A: Swift/UVOT upper limits
Date
2005-12-12T15:48:34Z (19 years ago)
From
Alexander Blustin at MSSL-UCL <ajb@mssl.ucl.ac.uk>
A. J. Blustin (UCL-MSSL), G. Cusumano (INAF-IASF), J. Greiner (MPE),
D. Hinshaw (GSFC-SPSYS), N. Gehrels (GSFC) on behalf of the
Swift/UVOT team
The Swift/UVOT began observing the field of GRB 051211a at 15:50:04 UT
on 2005-12-11, 13 hours after the HETE trigger (Atteia et al., GCN 4324).
No potential optical/UV counterpart was found in co-added images in any
of the filters, within the reported 80 arcsec radius (90% confidence)
HETE error circle, down to the following 5-sigma magnitude upper limits
(not corrected for extinction).
Filter T_range(hours) Exp(s) 5sigUL(mag)
V 14.9-15.1 886 19.4
B 13.5-13.7 738 20.2
U 13.3-16.7 1469 20.3
W1 13.0-16.5 1800 20.0
M2 11.9-15.3 1502 20.1
W2 14.6-14.9 900 20.1