[vsnet-grb-info 9230] GRB 100504A: UVOT-enhanced XRT position

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  10713
SUBJECT: GRB 100504A: UVOT-enhanced XRT position
DATE:    10/05/04 20:33:23 GMT
FROM:    Jirong Mao at INAF-OAB  <jirong.mao at brera.inaf.it>

J. Mao (INAF-OAB) reports on behalf of the Swift-XRT team:

The Swift-XRT observation of GRB 100504A started on 2010 May 4 at 
19:22:02.1 UT,
62.6 s after the BAT trigger. We detected a bright, single X-ray source. 
The UVOT-enhanced position is:

RA (J2000):  17h 02m 17.22s
Dec (J2000): -35d 35' 14.4''

with an uncertainty of 2.2 arcsec (radius, 90% confidence).

This circular is an official product of the Swift-XRT team.