GCN Circular 3139
Subject
GRB050319: RTT150 Optical Observations
Date
2005-03-23T08:22:43Z (20 years ago)
From
Umit Kiziloglu at Middle East Tech.U,Phys.Dept <umk@astroa.physics.metu.edu.tr>
U. Kiziloglu, S. Balman, A. Baykal (METU), Z. Aslan, I. Khamitov,
K. Uluc (TUG), S. Evren (EgeU), A. Alpar (Sabanci U.), R. Burenin,
M. Pavlinsky (IKI), R. Sunyaev (IKI, MPA), I, Bikmaev (KSU) report :
We observed the field centered on the Swift GRB 041006 (Rykoff et al.
GCN 3116, Krimm et al., GCN 3117, GCN 3119) with the TUG (TUBITAK
National Observatory, Turkey) 1.5-m Russian-Turkish Telescope (RTT150).
We obtained 8x300s 6x120s 3x60s R band images on 2005.03.19 starting
at 17:26:36 UT using the imaging ANDOR CCD. The seeing was 1.8"-2.1".
We further obtained 6x300 s R band images on 2005.03.20 and 2005.03.21
with RTT150. The seeing was poor with Moon.
We calculated the R magnitudes below using the USNO B1.0 Catalog.
Observation (UT) R_mag
-------------------- ----------------------
2005 March 19, 18:12 20.14 +/- 0.09
2005 March 21, 00:16 21.3 +/- 0.6 1 Sigma frame upper limit
2005 March 21, 17:58 21.1 +/- 0.3
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