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GCN Circular 4247

GRB 051111A: ROTSE-III Detection of Possible Counterpart
2005-11-11T06:08:00Z (19 years ago)
Wiphu Rujopakarn at U Michigan/ROTSE <>
W. Rujopakarn (U Mich), H. Swan (U Mich), E.S. Rykoff (U Mich), B. Schaefer 
(Louisiana State), report on behalf of the ROTSE collaboration:

ROTSE-IIIb, located at McDonald Observatory, Texas, responded to GRB 051111A 
(Swift trigger 163438). The first image was at 06:00:08.4 UT, 26.9 s after 
the burst (6.4 s after the GCN notice time). The unfiltered images are 
calibrated relative to USNO A2.0. We detect a new object, not visible in the 
DSS (second epoch), with coordinates:

     23:12:33.2      +18:22:29.1    (J2000)

start UT     mag     mlim(of image)
06:00:08.4     13.0     15.6

Continuing observations are in progress.
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