GCN Circular 19358
Subject
LSGT observation of GRB 160425A
Date
2016-04-28T07:59:24Z (8 years ago)
From
Changsu Choi at Seoul Nat U <changsu@astro.snu.ac.kr>
Changsu Choi and Myungshin Im (CEOU/SNU)
We observed the field of GRB 160425A (Krimm et al. GCN Circ. 19343) using
LSGT(Lee Sang Gak Telescope; Im et al. 2015, JKAS, 48, 207 ). Images were
taken in R and I band starting on Apr. 26 15:14:22 UT(~15.24 hr after
burst). We do not detect the optical afterglow candidate within the XRT
enhanced error circle (Beardmore et al. GCN Circ. 19347) to the approximate
limiting magnitudes listed below.
mid-time(UT) post-bust-hour exposure(s)
filter(limiting mag)
-----------------------------------------------------------------------------------------------------------
2016-04-26 16:10:02 16.16722 2700 R
> 19.55
2016-04-26 17:04:26 17.07396 2700
I > 19.22
Magnitudes are calibrated using USNO-B1 stars in R1 and I.