[vsnet-grb-info 21428] GRB 181213A: BOOTES-5/JGT optical observations
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Thu Dec 13 23:04:15 JST 2018
TITLE: GCN CIRCULAR
NUMBER: 23527
SUBJECT: GRB 181213A: BOOTES-5/JGT optical observations
DATE: 18/12/13 14:02:26 GMT
FROM: Youdong HU at IAA-CSIC, UGR <youdong at iaa.es>
Y.-D. Hu, I. Carrasco, E. Fernandez-Garcia and A. J. Castro-Tirado
(IAA-CSIC),
D. Hiriart and W. H. Lee (UNAM), S. Jeong and I. H. Park (SKKU) and M.
D.
Caballero-Garcia (ASU-CAS, CZ) on behalf of a larger collaboration,
report:
The 60cm BOOTES-5/JGT robotic telescope at Observatorio Astronomico
Nacional in San Pedro Martir (Mexico) automatically responded in 95 s
to the Swift trigger of GRB 181213A Evans et al., GCNC 23525).
The first image (10s exposure, g-band) was obtained at 12:59:13.72 UT.
Within the Swift/BAT error box, we identify an optical source at
coordinates
RA = 16 33 04.75 Dec = +78 29 48.3 (J2000) of about 15.6 mag, which is
fading
in brightness in the late time images. Therefore we propose this source
to be
the optical afterglow to GRB 181213A. Spectroscopic bbservations are
encouraged.
We thank the staff at Observatorio Astronomico Nacional in San Pedro
Martir for its excellent support.
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