Discovery certificate for object 2017lf
TNS Astronomical Transient Report No. 8064 [ 2017TNSTR..94....1W ]

Date Received (UTC): 2017-01-23 06:04:14
Sender: Wenxiong Li
Source Group: TNTS

Yuanhao Wang(THU), Tianmeng Zhang (NAOC), Wenxiong Li (THU), Hanjie Tan(CCU), Zhijian Xu, Xiaofeng Wang(THU), on behalf of the TNTS report/s the discovery of a new astronomical transient.

IAU Designation: SN 2017lf
Coordinates (J2000): RA = 03:12:33.600 (48.14) DEC = +39:19:15.30 (39.320917)
Discovery date: 2017-01-22 14:09:36 (JD=2457776.09)

Potential host galaxy: NGC 1233
Host redshift: 0.015

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 8" east and 7" north of the center of NGC 1233

Photometry

Discovery (first detection):
Discovery date: 2017-01-22 14:09:36
Flux: 17.3 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/2017lf