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GCN Circular 3465

Subject
GRB 050525A: ROTSE-III Detection of Possible Counterpart
Date
2005-05-25T00:41:33Z (19 years ago)
From
Eli Rykoff at U of Michigan/ROTSE <erykoff@umich.edu>
E.S. Rykoff (U Mich), S.A. Yost (U Mich), H. Swan (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 050525A (Swift trigger 130088). The first image was at 
00:08:56.7 UT, 363.5 s after the burst (8.7 s after the GCN notice 
time). The unfiltered images are calibrated relative to USNO A2.0. We 
detect a 14.7 magnitude, fading source at:

      18:32:32.76      +26:20:22.65    (J2000)

start UT    	mag     mlim(of image)
----------------------------------
00:08:56.7    14.7     15.4


This source is not visible in DSS (second epoch), 2MASS or the MPChecker 
database.

Continuing observations are in progress.
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