Discovery certificate for object 2019bpt
TNS Astronomical Transient Report No. 30641 [ 2019TNSTR.348....1X ]

Date Received (UTC): 2019-03-08 09:06:04
Sender: Wenxiong Li
Reporting Group: PTSS     Discovery Data Source: PTSS

Zhijian Xu, Wenxiong Li(THU),Hanjie Tan(NCU),Bin Li (PMO),Zhitong Li(THU), Xiaofeng Wang(THU),Zhijian Xu,Haibin Zhao(PMO),Lifan Wang (PMO/TAMU),Jujia Zhang(YNAO) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019bpt
Discoverer internal name: PTSS-19cjzq
Coordinates (J2000): RA = 12:22:06.940 (185.528917) DEC = +09:03:25.22 (9.057006)
Discovery date: 2019-03-07 17:41:30 (JD=2458550.2371528)

Potential host galaxy: NGC 4307
Host redshift: 0.0036

Remarks: This supernova candidate was discovered by the 1.04m Schmidt telescope at Xuyi Observatory during the PMO-Tsinghua Transient Survey(PTSS). The transient is located 17'' east and 48” north of the centre of NGC 4307 .The link of the discovery information at:http://www.cneost.org/ptss2/findname.php?ptssname=PTSS-19cjzq

Photometry

Discovery (first detection):
Discovery date: 2019-03-07 17:41:30
Flux: 19.2 VegaMag
Filter: V-Johnson
Instrument: STA1600
Telescope: Chinese Near Earth Object Survey Telescope

Last non-detection:
Archival info: SDSS

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019bpt