Discovery certificate for object 2018hhl
TNS Astronomical Transient Report No. 23505 [ 2018TNSTR1571....1X ]

Date Received (UTC): 2018-10-13 07:19:13
Sender: Wenxiong Li
Source Group: 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 2018hhl
Discoverer internal name: PTSS-18jde
Coordinates (J2000): RA = 22:40:21.440 (340.089333) DEC = +14:31:07.39 (14.518719)
Discovery date: 2018-10-12 11:07:45 (JD=2458403.9637153)

Potential host galaxy: 2MASS J22402120+1431020
Host redshift: 0.087

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 4'' east and 5” north of the centre of 2MASS J22402120+1431020. The link of the discovery information at:http://www.cneost.org/ptss2/findname.php?ptssname=PTSS-18jde

Photometry

Discovery (first detection):
Discovery date: 2018-10-12 11:07:45
Flux: 19.2 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/2018hhl