[vsnet-grb-info 2813] GRB060203 - Swift UVOT observation

[GCN Circulars]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  4650
SUBJECT: GRB060203 - Swift UVOT observation
DATE:    06/02/04 05:54:18 GMT
FROM:    Sally Hunsberger at PSU/Swift  <sdh at astro.psu.edu>

S. D. Hunsberger (PSU), F. Marshall (GSFC), P. Boyd (GSFC),
P. Brown (PSU), and A. Cucchiara (PSU) on behalf of the
Swift UVOT team:

UVOT took its first exposure of GRB060203 (Retter et al. GCN 4641)
starting at 00:45:26 UT February 4th, approximately 2991 seconds after
the trigger. No source is seen in the 197 second exposure with the V filter
at the position of the reported optical afterglow (Malesani et al. GCN 
4645;
Cenko et al. GCN 4646) with a 3-sigma upper limit of 19.3 mag.