Discovery certificate for object 2017mg
TNS Astronomical Transient Report No. 8038 [ 2017TNSTR..82....1T ]

Date Received (UTC): 2017-01-21 16:11:08
Sender: Wenxiong Li
Source Group: PTSS

Hanjie Tan (CCU), Wenxiong Li (THU), Bin Li (PMO), Zhijian Xu, Zesheng Yang (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 2017mg
Coordinates (J2000): RA = 13:31:51.690 (202.965375) DEC = +28:54:03.65 (28.901014)
Discovery date: 2017-01-20 20:31:52 (JD=2457774.355463)

Potential host galaxy: SDSS J133151.74+285404.1


Photometry

Discovery (first detection):
Discovery date: 2017-01-20 20:31:52
Flux: 19.2 VegaMag
Filter: r-Sloan
Instrument: STA1600
Telescope: Chinese Near Earth Object Survey Telescope

Remarks: This possible supernova was discovered by the 1.04-m schmidt telescope at Xuyi Observatory during the PMO-Tsinghua Supernova Survey (PTSS).

Last non-detection:
Archival info: SDSS

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2017mg