Discovery certificate for object 2020afr
TNS Astronomical Transient Report No. 59109 [ 2020TNSTR.176....1S ]

Date Received (UTC): 2020-01-18 22:41:17
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

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

IAU Designation: AT 2020afr
Discoverer internal name: ZTF20aafxzbz
Coordinates (J2000): RA = 08:01:20.837 (120.336821) DEC = +29:34:43.09 (29.578636)
Discovery date: 2020-01-04 11:25:25.000 (JD=2458852.9759838)

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


Discovery (first detection):
Discovery date: 2020-01-04 11:25:25.000
Flux: 21.083 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-01-04 10:21:12
Limiting flux: 20.586 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: