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[vsnet-grb-info 902] GRB030329: Optical observations

Date: Sun, 30 Mar 2003 14:38:49 -0500 (EST)
To: vsnet-grb-info@kusastro.kyoto-u.ac.jp
From: GCN Circulars <gcncirc@lheawww.gsfc.nasa.gov>
Subject: [vsnet-grb-info 902] GRB030329: Optical observations
Affiliation: NASA-GSFC LHEA
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TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  2028
SUBJECT: GRB030329: Optical observations
DATE:    03/03/30 19:35:27 GMT
FROM:    Vasilij Rumjantsev at CrAO  <rum@crao.crimea.ua>

V.Rumyantsev, E.Pavlenko, O.Antoniuk (CrAO) and A.Pozanenko (IKI) report:

We continue to monitor the OT of GRB030329 (GCN  2025).

The OT found by Peterson and Price  (GCN 1985) is clearly visible in our
image taken
with Cassegrain 38-cm telescope of CrAO.Several 180 sec. exposures of  R
(Johnson) filter were obtained. Based on filed photometry by A. Henden (GCN
2023)  we estimate the OT magnitude as

Mid Time (UT)          exposure      OT

March, 30 17:56:25     1x180 s      R = 16.61

The figure image can be found in http://grb.rssi.ru/GRB030329/

Detailed calibration and observations are continuing.

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