Discovery certificate for object 2020aht
TNS Astronomical Transient Report No. 59223 [ 2020TNSTR.197....1P ]

Date Received (UTC): 2020-01-20 04:03:48
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 2020aht
Discoverer internal name: ZTF20aagqeyl
Coordinates (J2000): RA = 04:49:35.080 (72.396167) DEC = +01:13:18.61 (1.221836)
Discovery date: 2020-01-15 03:36:52.000 (JD=2458863.6506019)

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


Discovery (first detection):
Discovery date: 2020-01-15 03:36:52.000
Flux: 20.429 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-01-13 04:34:53
Limiting flux: 19.458 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: