GCN Circular 4211
Subject
GRB 051109: ROTSE-III Detection of Possible Counterpart
Event
Date
2005-11-09T01:21:11Z (20 years ago)
From
Eli Rykoff at U of Michigan/ROTSE <erykoff@umich.edu>
E.S. Rykoff (U Mich), B. Schaefer (Louisiana State), W. Rujopakarn (U
Mich), F. Yuan (U Mich), R. Quimby (U Texas), report on behalf of the
ROTSE collaboration:
ROTSE-IIIb, located at McDonald Observatory, Texas, responded to GRB
051109 (Swift trigger 163136). The first image was at 01:12:52.7 UT,
32.1 s after the burst (4.7 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:
22:01:15.3 +40:49:23.3 (J2000)
start UT mag mlim(of image)
----------------------------------
01:12:52.7 15.4 16.8
Continuing observations are in progress.