GCN Circular 1957
Subject
GRB030323: Upper limits from recent and historical observations.
Date
2003-03-25T22:41:37Z (22 years ago)
From
Michael Wood-Vasey at UC Berkeley/LBNL/SNfactory <wmwood-vasey@lbl.gov>
W. M. Wood-Vasey, Lawrence Berkeley National Laboratory, using images
obtained by R. Bambery, S. Pravdo, M. Hicks, and K. Lawrence
(Near-Earth Asteroid Tracking project, Jet Propulsion Laboratory),
reports historical upper limits for the optical transient for GRB
20030323 of Gilmore et. al (GCN #1949) from images taken with the
Palomar Oschin 1.2-m telescope during the previous year:
UT Date Limiting Unfiltered Mag
( @ S/N = 3)
------------------------------------------------
2002 Jan 12.56 [ 20.19
2002 Jan 12.57 [ 20.09
2002 Jan 13.57 [ 20.16
2002 Jan 13.58 [ 19.77
2002 Feb 11.36 [ 20.16
2002 Feb 11.38 [ 20.19
2002 Feb 11.40 [ 20.09
2003 Jan 12.53 [ 20.33
2003 Jan 12.55 [ 20.31
2003 Jan 12.56 [ 20.28
2003 Mar 12.38 [ 20.22
2003 Mar 20.30 [ 19.69
A co-addition of these images shows nothing at this location to a
combined limiting magnitude of 21.87 (S/N = 3).
The co-addition is available at:
http://supernova.lbl.gov/~wwoodvas/GRB/#GRB20030323
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