Discovery certificate for object 2020tjx
TNS Astronomical Transient Report No. 82279 [ 2020TNSTR2821....1A ]

Date Received (UTC): 2020-09-16 01:29:33
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

C. Jimenez Angel, I. Perez-Fournon, F. Poidevin (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 2020tjx
Discoverer internal name: ZTF20abwwmqr
Coordinates (J2000): RA = 23:11:29.469 (347.872788) DEC = +07:20:16.41 (7.337892)
Discovery date: 2020-08-23 08:32:01.000 (JD=2459084.8555671)

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


Discovery (first detection):
Discovery date: 2020-08-23 08:32:01.000
Flux: 20.984 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-08-23 07:01:18
Limiting flux: 20.234 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: