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

GCN Circular 15244

Subject
GRB 130831A: RTT150 optical observations
Date
2013-09-23T12:08:11Z (11 years ago)
From
Rodion Burenin at IKI, Moscow <rodion@hea.iki.rssi.ru>
G. Khorunzhev, R. Burenin, M. Pavlinsky, R. Sunyaev (IKI),
I. Bikmaev, N. Sakhibullin (KFU/AST), 
I. Khamitov, H.  Kirbiyik (TUG) 

report:

The optical afterglow of GRB 130831A (GCN 15139, D. Palmer) was
observed with 1.5-m Russian-Turkish Telescope RTT150 at Bakyrlytepe
(TUBITAK National Observatory, Turkey). The observation started at
2013-09-01 00:42:03 UT, appr. 12 hours after the burst.

Two images each with exposure 300 seconds were obtained in R-band:

1. UT = 00:42:03.678; t-t0 = 11.630h; m_R = 19.57 +- 0.02
2. UT = 00:48:35.373; t-t0 = 11.739h; m_R = 19.62 +- 0.03
 
Images are calibrated using stars proposed by Pozanenko et al. (GCN
15190). The magnitudes are not corrected for the Galactic extinction.
Looking for U.S. government information and services? Visit USA.gov