Skip to main content
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 3723

GRB 050801: ROTSE-III Detection of Possible Counterpart
2005-08-01T18:34:58Z (19 years ago)
Eli Rykoff at U of Michigan/ROTSE <>
E.S. Rykoff (U Mich), S.A. Yost (U Mich), W. Rujopakarn (U Mich) report 
on behalf of the ROTSE collaboration:

ROTSE-IIIc, located at the H.E.S.S. site at Mt. Gamsberg, Namibia, 
responded to GRB 050801 (Swift trigger 148522). The first image was at 
18:28:23.9 UT, 21.9 s after the burst (7.9 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:

      13:36:35.4      -21:55:42.0    (J2000)

start UT    	mag     mlim(of image)
18:28:23.9     15.0     17.0

Continuing observations are in progress.
Looking for U.S. government information and services? Visit