Discovery certificate for object 2020asz
TNS Astronomical Transient Report No. 59798 [ 2020TNSTR.258....1P ]

Date Received (UTC): 2020-01-25 00:28:10
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

I. Perez-Fournon, C. Jimenez Angel, F. Poidevin, R. Shirley (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 2020asz
Discoverer internal name: ZTF20aagqiey
Coordinates (J2000): RA = 04:39:11.106 (69.796275) DEC = +00:30:36.88 (0.510244)
Discovery date: 2020-01-18 05:38:05.000 (JD=2458866.7347801)

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


Discovery (first detection):
Discovery date: 2020-01-18 05:38:05.000
Flux: 20.091 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-01-15 04:02:48
Limiting flux: 17.558 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: