Discovery certificate for object 2019btr
TNS Astronomical Transient Report No. 30774 [ 2019TNSTR1252....1L ]

Date Received (UTC): 2019-03-15 13:40:16
Sender: Wenxiong Li
Source Group: TNTS

Yuan Li (BHSF), Wenxiong Li(THU), Hanjie Tan(NCU), Tianmeng Zhang (NAOC), Zhijian Xu, Hao Song(THU), Xiaofeng Wang(THU), Jun Mo(THU),Xu Zhou(NAOC) on behalf of the TNT (S report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019btr
Coordinates (J2000): RA = 12:11:31.880 (182.882833) DEC = +16:16:51.10 (16.280861)
Discovery date: 2019-03-13 16:47:59 (JD=2458556.1999884)

Potential host galaxy: 2MASX J12113180+1616499
Host redshift: 0.023

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 1" east and 1" north of the center of 2MASX J12113180+1616499

Photometry

Discovery (first detection):
Discovery date: 2019-03-13 16:47:59
Flux: 18.7 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/2019btr