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GCN Circular 5813

Subject
Swift/UVOT Upper Limits for GRB061110a
Date
2006-11-11T20:07:07Z (17 years ago)
From
Patricia Schady at MSSL/Swift <ps@mssl.ucl.ac.uk>
P. Schady (UCL-MSSL), A.D. Falcone (PSU) report on behalf of the
Swift/UVOT team:

The Swift/UVOT began observing the field of GRB 061110a at 11:48:32 on 
2006-11-10 UT, 71s after the BAT trigger (Falcone et al., GCN 5795). No new 
source was detected within the XRT error circle (Vetere et al., GCN 5806) or at 
the afterglow position reported by Zhai et al. (GCN 5798) in coadded images in 
any filter down to the following 3-sigma magnitude upper limits:

Filter  T_mid (s)    Exp. (s) 3-sigma UL
------------------------------------------------
V       3952            2579     20.42
B       4016            442      20.55
U       3888            452      20.28
UVW1    3792            452      19.72
UVM2    6192            1273     20.55
UVW2    4128            452      20.31
------------------------------------------------

T_mid is the mid time of the coadded exposure with respect to the BAT trigger. 
These upper limits are not corrected for Galactic extinction E(B-V) = 0.09.
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