Discovery certificate for object 2018hjm
TNS Astronomical Transient Report No. 23573 [ 2018TNSTR1584....1X ]

Date Received (UTC): 2018-10-15 08:42:50
Sender: Wenxiong Li
Reporting Group: PTSS     Discovery Data Source: PTSS

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

IAU Designation: AT 2018hjm
Discoverer internal name: PTSS-18jfs
Coordinates (J2000): RA = 07:50:22.500 (117.59375) DEC = +33:53:05.69 (33.884914)
Discovery date: 2018-10-12 19:44:26 (JD=2458404.3225231)

Potential host galaxy: 2MASX J07502145+3353060
Host redshift: 0.062

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 16'' east and 0” north of the centre of 2MASX J07502145+3353060. The link of the discovery information at:http://www.cneost.org/ptss2/findname.php?ptssname=PTSS-18jfs

Photometry

Discovery (first detection):
Discovery date: 2018-10-12 19:44:26
Flux: 18.9 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/2018hjm