Skip to main content
Testing. You are viewing the public testing version of GCN. For the production version, go to
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 4926

GRB060323: optical limit
2006-03-27T12:02:53Z (18 years ago)
Alexei Pozanenko at IKI, Moscow <>
G. Kornienko (UAPhO), A.Pozanenko (IKI), V.Rumyantsev (CrAO), on behalf of
larger GRB follow up collaboration report:

We have observed the error box of the Swift GRB060323 (Vetere et al., GCN
4904) with 0.4m telescope of  Ussuriysk Astrophysical Observatory (UAPhO) in
R-band between  Mar. 23 (UT) 15:00 - 15:51.  We do not detect the optical
afterglow (Covino et al., GCNs 4911, 4916), and upper limits of combined
images calibrated against  of USNO-A2.0 (R) are following:

Mid time,    Exposure,   Limiting mag.
(UT)           (s)

Mar.23.629    5x60        ~16.0
Mar.23.642   20x60        ~17.0
Looking for U.S. government information and services? Visit