Physics
Scientific paper
Jun 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006gcn..5235....1k&link_type=abstract
GRB Coordinates Network, 5235, 1, 2006
Physics
3
Grb, Optical Counterpart
Scientific paper
We observed the field around the position of the optical counterpart (Rykoff et al. GCN5220, Page et al., GCN5221) of GRB060605 (Swift trigger 213630) with the Russian-Turkish 1.5-m telescope (RTT150, Bakirlitepe, TUBITAK National Observatory, Turkey), at the beginning of June 07, about 31.1 hours after the burst. A series of frames was taken in R band with TFOSC. The afterglow is detected on combined image.
http://www.tug.tubitak.gov.tr/~irekk/grb/grb060605/GRB060605_0607_RTT150.JPG
Using USNO-B1 star (RA=21:28:40.26, DEC=-06:03:44.5, R2MAG=15.37) we estimate the following R magnitude for the OT:
t-t0 m_R err
31.1 23.0 0.2
Using all data (Khamitov et al., GCN5224) we estimate the power-law decay index in R as -1.7+-0.02, which did not changed since ~5.6 hours after the burst.
Our R lightcurve can be found at:
http://www.tug.tubitak.gov.tr/~irekk/grb/grb060605/GRB060605_lc0607.jpg
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Aliş Sinan
Aslan Zafer
Bikmaev Ilfan
Burenin Rodion
Gogus Ersin
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