Discovery certificate for object 2018cop
TNS Astronomical Transient Report No. 19460 [ 2018TNSTR.831....1X ]

Date Received (UTC): 2018-06-16 17:36:01
Sender: Wenxiong Li
Source Group: PTSS

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

IAU Designation: AT 2018cop
Discoverer internal name: PTSS-18ffu
Coordinates (J2000): RA = 21:50:37.780 (327.657417) DEC = -21:57:18.01 (-21.955003)
Discovery date: 2018-06-14 18:50:03 (JD=2458284.2847569)

Potential host galaxy: GALEXASC J215037.73-215719.3

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” north of the centre of GALEXASC J215037.73-215719.3 . The link of the discovery information at:http://www.cneost.org/ptss2/findname.php?ptssname=PTSS-18ffu

Photometry

Discovery (first detection):
Discovery date: 2018-06-14 18:50:03
Flux: 16.8 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/2018cop