GCN Circular 18460
Subject
LIGO/Virgo G194575: CQUEAN/LOAO observations
Date
2015-10-23T23:46:37Z (9 years ago)
From
Myungshin Im at Seoul National U <myungshin.im@gmail.com>
M. Im, H. M. Lee, C. Choi, Y. Taak (SNU), S. Pak (KHU), H.-I. Sung (KASI),
S. Ehgamberdiev (UBAI) on behalf of the KU (Korea-Uzbekistan) collaboration
report:
We observed several nearby bright galaxies within the error region of the
possible GW event G194575 (GCN #18442), with the CQUEAN instrument on the
McDonald observatory's 2.1m telescope (Park et al. 2012, PASP, 124, 839)
and LOAO (Mt. Lemmon Astronomy Observatory) 1-m telescope (Lee et al. 2010,
JKAS, 43, 95). CQUEAN covers a field of view of 4.7' by 4.7' centered on
each galaxy and LOAO 1-m's field of view is 20' by 20'. The observations
started at 2015-10-23 02:28 (UT) for CQUEAN, and 2015-10-23 07:08 (UT) for
LOAO. Five galaxies were observed so far in R and I filters with 3 min
exposure per filter.
Name RA (J2000) Dec (J2000) Facility
NGC 0099 00:23:59.4 +15:46:13 CQUEAN
UGC 00099 00:10:40.9 +13:42:33 CQUEAN
UGC 00119 00:13:03.1 +14:24:36 CQUEAN
PGC 00282 00:04:01.5 -11:10:27 CQUEAN
Arp 256 00:18:50.9 -10:22:36 CQUEAN
NGC 337 00:59:50.1 -07:34:41 LOAO
No obvious transient was found in the data taken so far. We plan to
continue the observation of these and other nearby galaxies with our
facilities. We thank the staff of LOAO for carrying out the observation.