GCN Circular 16485
Subject
GRB 140629A: NOT optical observations
Date
2014-06-29T22:16:05Z (10 years ago)
From
Daniele Malesani at Dark Cosmology Centre, Niels Bohr Inst <malesani@dark-cosmology.dk>
Daniele Malesani (DARK/NBI), Nicolaas E. Groeneboom (UiO), Jostein R.
Kristiansen (HiOA), and Pall Jakobsson (Univ. Iceland), report on behalf
of a larger collaboration:
We observed the field of GRB 140629A (Lien et al., GCN 16477) with the
Nordic Optical Telescope (NOT) equipped with the MOSCA imager.
Observations were carried out in the SDSS g, r, i, and z filters. The
afterglow is detected in all filters.
In a 300-s image started at 21:17 UT (7.0 hr after the GRB), the
afterglow has a magnitude r = 19.54 +- 0.02 (AB), calibrated against
several nearby SDSS stars. Calibrated against USNO-B1, the afterglow
coordinates are (J2000):
RA = 16:35:54.45
Dec = +41:52:36.5
with an uncertainty of 0.3". This is in good agreement with the
determinations by UVOT (Lien et al., GCN 16477), MASTER (Yurkov et al.,
GCN 16478), and KWFC (Maehara, GCN 16484).