[vsnet-grb-info 16432] LOAO B, R Observations of GRB150413A
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Fri Apr 17 15:54:18 JST 2015
TITLE: GCN CIRCULAR
NUMBER: 17713
SUBJECT: LOAO B, R Observations of GRB150413A
DATE: 15/04/17 06:54:10 GMT
FROM: Changsu Choi at Seoul Nat U <changsu at astro.snu.ac.kr>
Changsu Choi, Myungshin Im (CEOU/SNU), Hyun-Il Sung (KASI), and Yuji Urata
(NCU), on behalf of EAFON
We observed the field of GRB 150413A, Swift GRB 150413A (Markwardt et al.,
GCN
17688) in B,R-band using the 1-m telescope at Mt. Lemmon Optical Observatory
(LOAO) in Arizona, US
We obtained B, R-band images on Apr. 14.
We identified the optical afterglow in both band.
The photometric calibraton is based on APASS catalog(AAVSO) in the observed
field.
Details of Photometry are below:
UT Filter Mag Hour
after detetion trigger(2015/04/13T 13:54:58)
2015/04/14T 04:54:07 B 20.95 +-0.25 15.13583
2015/04/14T 05:08:05 R 19.82 +-0.14 15.36861
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