Discovery certificate for object 2020ale
TNS Astronomical Transient Report No. 59458 [ 2020TNSTR.220....1A ]

Date Received (UTC): 2020-01-22 09:52:15
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

C. Jimenez Angel, I. Perez-Fournon, 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 2020ale
Discoverer internal name: ZTF20aaglvuu
Coordinates (J2000): RA = 08:59:06.150 (134.775625) DEC = +58:07:29.36 (58.124822)
Discovery date: 2020-01-18 09:49:09.000 (JD=2458866.9091319)

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 09:49:09.000
Flux: 20.176 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-01-18 08:21:52
Limiting flux: 20.469 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: