TITLE:   GCN CIRCULAR
NUMBER:  20506
SUBJECT: LIGO/Virgo G270580: A third optical transient from CNEOST
DATE:    17/01/23 01:28:55 GMT
FROM:    Jinzhong Liu at Xinjiang Astronomical Observatory  <liujinzh@xao.ac.cn>

Haibin Zhao (PMO/CAS), Dong Xu (NAO/CAS), Bin Li, Getu Zhaori, Hao Lu
(PMO/CAS), Hanjie Tan (CCU), Zhijian Xu, Wenxiong Li, Zesheng Yang,
Xiaofeng Wang (THU), Lifan Wang (PMO/CAS), Jujia Zhang (YNAO/CAS), Hao
Song (THU), Jinzhong Liu, Hubiao Niu, Yu Zhang, Xuan Zhang, Guangxin Pu,
Shuguo Ma, Taozhi Yang, Fangfang Song (XAO/CAS), Tianmeng Zhang, Xu Zhou
(NAO/CAS), Jirong Mao, Jinming Bai (YNAO/CAS), Huanxue Feng, Zipei
Zhu (NAO/CAS) report on behalf of the Gravitational Wave Follow-Up
Network by NAO-PMO-XAO-YNAO in China (GWFUNC):

Further analysis of the CNEOST observational data reported in our
previous GCN
20497 reveals a third optical transient, dubbed as PTSS-17dgm, at
coordinates

R.A. (J2000) = 09:30:36.58
Dec. (J2000) = +21:24:42.32

with m(r) = 18.94 +/- 0.08 at 18:24:25 UT on 2017-01-21. Again this
object may be a newly exploded supernova.





--
N: Jinzhong Liu, Dr.
O: Main building, 213
P: 150, Science 1-Street, Urumqi, Xinjiang 830011, China
T: 86 991 3689027
D: 2012-07-14
E: optics@xao.ac.cn