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GCN Circular 12516

Subject
GRB 111029A: RAPTOR Limits During the Gamma-ray Emitting Interval
Event
GRB 111029A
Date
2011-10-31T23:17:42Z (15 years ago)
From
James Wren at LANL <jwren@nis.lanl.gov>
J. Wren,  W. T. Vestrand, P. Wozniak, and H. Davis
of Los Alamos National Laboratory report:

The RAPTOR wide-field optical monitors made observations of Swift trigger 506519 (Troja et al., GCN 12498) during the gamma-ray emitting interval.  These systems began 10 s exposures at 09:44:40 UTC, coincident with the BAT trigger time, and 09:45:00, coincident with the primary interval in which BAT observed the most prominent gamma-ray emission.  No counterpart was detected in any of the unfiltered images taken by the sky monitoring systems with 3-sigma limiting magntiudes of 10.7 when compared with the Tycho-2 V-band.
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