Discovery certificate for object 2018atp
TNS Astronomical Transient Report No. 17742 [ 2018TNSTR.483....1X ]

Date Received (UTC): 2018-04-12 04:44:44
Sender: zhitong li
Source Group: TNTS

Zhijian Xu,Zhitong Li(THU),Wenxiong Li(THU),Tianmeng Zhang (NAOC), Hanjie Tan(CCU), 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 2018atp
Coordinates (J2000): RA = 12:33:56.610 (188.485875) DEC = +15:21:32.60 (15.359056)
Discovery date: 2018-04-11 16:15:54 (JD=2458220.1777083)

Potential host galaxy: SDSS J123356.47+152129.8

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 0" east and 2" north of the center of SDSS J123356.47+152129.8

Photometry

Discovery (first detection):
Discovery date: 2018-04-11 16:15:54
Flux: 19.25 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/2018atp