[vsnet-grb-info 22089] LIGO/Virgo S190425z: LOAO Observation
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Fri Apr 26 01:16:59 JST 2019
TITLE: GCN CIRCULAR
NUMBER: 24188
SUBJECT: LIGO/Virgo S190425z: LOAO Observation
DATE: 19/04/25 16:15:13 GMT
FROM: Gregory SungHak Paek at SNU <shpaek at astro.snu.ac.kr>
Gregory S.H. Paek (SNU), Myungshin Im (SNU), Gu Lim (SNU), Insu Paek (SNU),
Suhyun Shin (SNU), Joonho Kim (SNU), Soojong Pak (KHU), Sungyong Hwang
(SNU), Bomi Park (SNU), Sophia Kim (SNU), Changsu Choi (SNU), Chung-Uk Lee
(KASI), Seung-Lee Kim (KASI), Hyung Mok Lee (KASI), on behalf of a larger
collaboration
We observed 13 host galaxy candidates with the 1.0-m telescope at the
Lemonsan Optical Astronomical Observatory(LOAO) in the 90% localization
area of S190425z, detected by LIGO/Virgo (GCN #24168).
The observation started at 2019-04-25 10:17:06 UT, and the images were
taken in R-band with 60 sec exposure time. No obvious transient has been
identified to a preliminary 3-sigma depth of R=19 AB mag. The list of the
inspected targets is given below.
NAME RA DEC
IC4587 239.965057 25.940653
2MASS+16582619-0319463 254.609146 -3.329548
PGC58097 246.408646 16.455
2MASS+17030866-0237020 255.786118 -2.617223
PGC55774 235.152664 28.512449
2MASS+16585063-1557280 254.710999 -15.957801
2MASS+17004803-0510264 255.200165 -5.17402
PGC55801 235.374939 27.986473
PGC1470081 247.533737 14.903552
NGC5567 214.823303 35.138004
UGC10320 244.530502 21.066381
2MASS+16590728-0544311 254.780334 -5.741986
UGC10016 236.370865 26.603144
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