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[vsnet-grb-info 1036] GRB030329: Optical Observations

Date: Fri, 18 Apr 2003 02:23:17 -0400 (EDT)
To: vsnet-grb-info@kusastro.kyoto-u.ac.jp
From: GCN Circulars <gcncirc@lheawww.gsfc.nasa.gov>
Subject: [vsnet-grb-info 1036] GRB030329: Optical Observations
Affiliation: NASA-GSFC LHEA
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TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  2146
SUBJECT: GRB030329: Optical Observations
DATE:    03/04/18 06:19:46 GMT
FROM:    Vasilij Rumjantsev at CrAO  <rum@crao.crimea.ua>

V.Rumyantsev,  E. Sergeeva (CrAO), V.Doroshenko (SAI MSU), 
E.Pavlenko, O.Antoniuk, N.Primak (CrAO), and A.Pozanenko (IKI) report:

We continue to monitor the OT of GRB030329.

Observations were made on April 8, 9, 10, 2003 in  R and I (Johnson)
spectral band with the 70-cm and 38-cm Cassegrain telescopes of CrAO.  Based
on filed photometry by A. Henden (GCN 2023)  we estimate the OT magnitude as
following

Mid time, UT    telescope exposure    mag    err

Apr.08.9284     K-380     20x300s   R 19.35  0.25
Apr.09.9179     AZT-8      8x150s   R 19.56  0.19
Apr.10.8462     AZT-8     10x120s   R 19.80  0.22
Apr.10.8615     AZT-8     10x120s   I 19.32  0.25

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