Discovery certificate for object 2018hhk
TNS Astronomical Transient Report No. 23504 [ 2018TNSTR1571....1X ]

Date Received (UTC): 2018-10-13 07:15:06
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 2018hhk
Discoverer internal name: PTSS-18jav
Coordinates (J2000): RA = 07:58:31.340 (119.630583) DEC = +26:07:15.10 (26.120861)
Discovery date: 2018-10-11 19:17:24.000 (JD=2458403.30375)

Potential host galaxy: 2MASS J07583129+2607163
Host redshift: 0.02

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 1'' east and 1” south of the centre of 2MASS J07583129+2607163. The link of the discovery information at: http://www.cneost.org/ptss2/findname.php?ptssname=PTSS-18jav

Photometry

Discovery (first detection):
Discovery date: 2018-10-11 19:17:24.000
Flux: 18.3 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://www.wis-tns.org/object/2018hhk