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GCN Circular 5647

Subject
GRB060927: optical observations
Date
2006-09-28T16:06:09Z (18 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
K. Antoniuk, V. Rumyantsev (CrAO), A. Pozanenko (IKI) on behalf of larger
GRB follow up collaboration report:

We observed the error box of GRB060927 (Barbier et al., GCN 5627) with
AZT-11 (1.25m) telescope of CrAO observatory between Sep. 27 (UT) 17:38:49
and 18:21:35. The OT (Schaefer et al., GCN5629) is clearly detected in a
combined image. A preliminary photometry against USNOA2.0 star (RA 21 58
12.96  Dec +05 22 31.40  18.60R) is following:

Mid time (UT), Exposure, R_mag

Sep. 27.750    15x180 s   21.4 +/- 0.3

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