Discovery certificate for object 2017coa
TNS Astronomical Transient Report No. 10360 [ 2017TNSTR.380....1T ]

Date Received (UTC): 2017-03-31 01:39:09
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: SN 2017coa
Coordinates (J2000): RA = 08:49:55.490 (132.481208) DEC = +56:05:57.00 (56.099167)
Discovery date: 2017-03-28 13:40:47 (JD=2457841.0699884)

Potential host galaxy: SDSS J084955.19+560554.6

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 5" east and 2" north of the center of SDSS J084955.19+560554.6

Photometry

Discovery (first detection):
Discovery date: 2017-03-28 13:40:47
Flux: 17.3 VegaMag
Filter: r-Sloan
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/2017coa