Discovery certificate for object 2020aph
TNS Astronomical Transient Report No. 59637 [ 2020TNSTR.235....1M ]

Date Received (UTC): 2020-01-23 20:12:42
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

R. Marques-Chaves (CAB), I. Perez-Fournon, F. Poidevin, C. Jimenez Angel, R. Shirley (IAC & ULL), 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 2020aph
Discoverer internal name: ZTF20aafmskt
Coordinates (J2000): RA = 05:04:09.004 (76.037517) DEC = +02:21:14.40 (2.354)
Discovery date: 2020-01-12 02:59:35.000 (JD=2458860.6247106)

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


Discovery (first detection):
Discovery date: 2020-01-12 02:59:35.000
Flux: 19.842 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-01-11 06:25:38
Limiting flux: 19.509 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: