GCN Circular 6223
Subject
GRB070220: optical observations
Event
Date
2007-03-23T19:09:29Z (19 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
V. Rumyantsev (CrAO), A. Pozanenko (IKI) on behalf of larger GRB follow up
collaboration report:
We observed error box of GRB070220 (Stamatikos et al., GCN 6114) with Shajn
2.6m telescope of CrAO in R-band on Feb. 8 between (UT)19:25 and 19:53. No
object is found in refined XRT error box (Beardmore et al., GCN 6118).
Limiting magnitude of a combined image is based on USANO A2.0:
Mid time (UT), Exposure, R_Lim (3sigma)
Feb. 8.819 22x60 23.9
The combined image can be found in
http://grb.rssi.ru/GRB070220/grb070220_R_ZTSh.gif
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