Discovery certificate for object 2018bsn
TNS Astronomical Transient Report No. 18640 [ 2018TNSTR.651....1X ]

Date Received (UTC): 2018-05-16 23:35:59
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: SN 2018bsn
Coordinates (J2000): RA = 14:57:28.680 (224.3695) DEC = +05:50:33.10 (5.842528)
Discovery date: 2018-05-14 18:00:00 (JD=2458253.25)

Potential host galaxy: 2MASX J14572815+0550375
Host redshift: 0.059

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 7" east and 5" south of the center of 2MASX J14572815+0550375

Photometry

Discovery (first detection):
Discovery date: 2018-05-14 18:00:00
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/2018bsn