Discovery certificate for object 2017ggt
TNS Astronomical Transient Report No. 13227 [ 2017TNSTR.902....1T ]

Date Received (UTC): 2017-08-23 06:07:49
Sender: Wenxiong Li
Source Group: PTSS

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

IAU Designation: AT 2017ggt
Discoverer internal name: PTSS-17upz
Coordinates (J2000): RA = 03:37:53.580 (54.47325) DEC = +16:51:23.87 (16.856631)
Discovery date: 2017-08-22 18:41:50 (JD=2457988.2790509)

Potential host galaxy: 2MASX J03375371+1651273

Remarks: This supernova was discovered by the 1.04m Schmidt telescope at Xuyi Observatory during the PMO-Tsinghua Transient Survey(PTSS).The transient is located 2'' west and 3'' south of the centre of 2MASX J03375371+1651273 . The link of the discovery information at: http://www.cneost.org/ptss/findname.php?ptssname=PTSS-17upz

Photometry

Discovery (first detection):
Discovery date: 2017-08-22 18:41:50
Flux: 18.3 VegaMag
Filter: i-Sloan
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/2017ggt