Discovery certificate for object 2020mag
TNS Astronomical Transient Report No. 73291 [ 2020TNSTR1728....1S ]

Date Received (UTC): 2020-06-09 00:29:27
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 NOIRLab), S. Chakrabarti, P. Craig, and B. Alamiri (RIT) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2020mag
Discoverer internal name: ZTF20abdyfwr
Coordinates (J2000): RA = 18:37:16.745 (279.319771) DEC = +21:21:47.00 (21.363056)
Discovery date: 2020-05-31 08:19:58.000 (JD=2459000.8471991)

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


Discovery (first detection):
Discovery date: 2020-05-31 08:19:58.000
Flux: 20.033 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-05-28 09:34:12
Limiting flux: 20.929 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: