GRBlog: GRB041228A

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GRB 041228A

Burst Time	10:49:13	GCN2918
RA	22:26:33.84	GCN2918
DEC	+05:02:60.00	GCN2918
Radius	5.00'	GCN2918
Duration (15-350 keV)	40 s	GCN2918
OT?	no (plot data)
Flter: none	in 0 of 1 obs

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GRB 041228: ROTSE-III Optical Observations	Rykoff
	GCN 2919

Posted by Eli Rykoff

04/12/28 20:03:23 GMT

ROTSE-IIIc, located at the H.E.S.S. site at Mt. Gamsberg, Namibia, responded to Swift GRB 041228 (GCN 2918). An automatic response was initiated during early twilight hours. The first usable image was taken at 28 Dec 18:38:44 UT, 7.8 hours after the burst. We took 50 60-s exposures before the burst position dropped below our minimum observing elevation. The unfiltered images were calibrated...Full Text

GRB 041228: Swift-BAT detection of a burst	Parsons et al.
	GCN 2918

Posted by Scott Barthelmy

04/12/28 18:08:18 GMT

At 10:49:13 UT, the Swift Burst Alert Telescope (BAT) triggered and located on-board GRB 041228. The spacecraft did not autonomously slew to the burst since automated slewing was not yet enabled....Full Text

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