Discovery certificate for object 2017gus
TNS Astronomical Transient Report No. 13689 [ 2017TNSTR1018....1T ]

Date Received (UTC): 2017-09-19 01:15:13
Sender: Wenxiong Li
Source Group: TNTS

Hanjie Tan(CCU),Wenxiong Li (THU),Tianmeng Zhang (NAOC), Zesheng Yang(THU), Zhijian Xu, Hao Song(THU), Xiaofeng Wang(THU), Jun Mo(THU), Yuanhao Wang(THU), Ziheng Zhou(THU), Xu Zhou(NAOC) on behalf of the TNTS report/s the discovery of a new astronomical transient.

IAU Designation: AT 2017gus
Coordinates (J2000): RA = 23:56:14.150 (359.058958) DEC = +30:06:57.50 (30.115972)
Discovery date: 2017-09-18 12:00:00 (JD=2458015)

Potential host galaxy: AGC 333434
Host redshift: 0.032

Remarks: This possible supernova was discovered by the 0.6 m schmidt telescope at Xinglong Observatory during the Tsinghua-NAOC Transient Survey (TNTS). The transient is located 1" east and 6" south of the center of AGC 333434

Photometry

Discovery (first detection):
Discovery date: 2017-09-18 12:00:00
Flux: 18.6 VegaMag
Filter: Clear-
Instrument: BATC
Telescope: 0.6m Beijing Astronomical Observatory Telescope

Last non-detection:
Archival info: SDSS

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