Discovery certificate for object 2020tkj
TNS Astronomical Transient Report No. 82291 [ 2020TNSTR2822....1P ]

Date Received (UTC): 2020-09-16 03:01:16
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

F. Poidevin, I. Perez-Fournon, C. Jimenez Angel (IAC & ULL), R. Shirley (Univ. of Southampton), R. Marques-Chaves (CAB), S. Geier (GRANTECAN & IAC), Y. Shu (IoA), S. Rodney, J. Roberts-Pierel (Univ. of South Carolina), A. Bolton (NSF's NOIRLab), S. Chakrabarti, P. Craig, and B. Alamiri (RIT) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2020tkj
Discoverer internal name: ZTF20abwpoaj
Coordinates (J2000): RA = 01:01:28.820 (15.370083) DEC = +46:52:50.42 (46.880672)
Discovery date: 2020-08-24 08:41:58.000 (JD=2459085.8624769)

Remarks: Data were provided by the Zwicky Transient Facility ( and processed through the Lasair (, ALeRCE (, ANTARES (, and MARS ( brokers.


Discovery (first detection):
Discovery date: 2020-08-24 08:41:58.000
Flux: 21.294 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-08-21 12:09:23
Limiting flux: 20.512 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: