Discovery certificate for object 2018ky
TNS Astronomical Transient Report No. 16639 [ 2018TNSTR.125....1X ]

Date Received (UTC): 2018-01-26 10:32:53
Sender: Wenxiong Li
Source Group: TNTS

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

IAU Designation: AT 2018ky
Coordinates (J2000): RA = 13:18:40.110 (199.667125) DEC = +29:00:01.40 (29.000389)
Discovery date: 2018-01-25 21:36:00 (JD=2458144.4)

Potential host galaxy: KISSR 0258
Host redshift: 0.075

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 3" west and 4" north of the center of KISSR 0258

Photometry

Discovery (first detection):
Discovery date: 2018-01-25 21:36:00
Flux: 19.3 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/2018ky