Discovery certificate for object 2018gfh
TNS Astronomical Transient Report No. 22580

Date Received (UTC): 2018-09-12 11:57:48
Sender: Wenxiong Li
Source Group: PTSS

Hanjie Tan(NCU), Wenxiong Li(THU), Bin Li (PMO),Zhitong Li(THU), Xiaofeng Wang(THU),Zhijian Xu,Haibin Zhao(PMO),Lifan Wang (PMO/TAMU),Jujia Zhang(YNAO) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2018gfh
Discoverer internal name: PTSS-18iiw
Coordinates (J2000): RA = 00:01:38.450 (0.410208) DEC = +23:29:02.81 (23.484114)
Discovery date: 2018-09-11 19:10:10 (JD=2458373.2987269)

Potential host galaxy: UGC 12914
Host redshift: 0.0146

Remarks: This supernova candidate was discovered by the 1.04m Schmidt telescope at Xuyi Observatory during the PMO-Tsinghua Transient Survey(PTSS). The transient is located 2'' east and 2” north of the centre of UGC 12914 . The link of the discovery information at:http://www.cneost.org/ptss2/findname.php?ptssname=PTSS-18iiw

Photometry

Discovery (first detection):
Discovery date: 2018-09-11 19:10:10
Flux: 18.5 VegaMag
Filter: V-Johnson
Instrument: STA1600
Telescope: Chinese Near Earth Object Survey Telescope

Last non-detection:
Archival info: SDSS

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2018gfh