[vsnet-grb-info 3944] GRB 061028: Swift/UVOT Observations

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  5766
SUBJECT: GRB 061028: Swift/UVOT Observations
DATE:    06/10/28 14:07:19 GMT
FROM:    Samantha Oates at MSSL  <sro at mssl.ucl.ac.uk>

S.R. Oates (UCL-MSSL), T. Sakamoto (NASA/ORAU) report on behalf of the
Swift/UVOT team:

The Swift/UVOT began observing the field of GRB 061028 at
01:29:32 on 2006-10-28, 190s after the BAT trigger (Sakamoto et al.,
GCN 5762). No new source was detected within the XRT
error circle in coadded images in any filter down to the following
3-sigma magnitude upper limits:

Filter  Start    End       Exposure    3-sigma UL
------------------------------------------------
V       190      6596       747          20.6
B       410      6131       274          20.3
U       386      5926       313          19.9
W1      362      5722       313          18.5
M2      338      5517       313          19.4
W2      438      6541       471          19.3

WHITE   208      6335       443          18.9
------------------------------------------------

These upper limits are not corrected for Galactic extinction
E(B-V) = 0.16.