Discovery certificate for object 2020ry
TNS Astronomical Transient Report No. 58477 [ 2020TNSTR..94....1A ]

Date Received (UTC): 2020-01-10 23:32:41
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 2020ry
Discoverer internal name: ZTF20aadcrhw
Coordinates (J2000): RA = 13:50:26.671 (207.611129) DEC = +54:31:05.76 (54.518267)
Discovery date: 2020-01-02 13:13:10.000 (JD=2458851.0508102)

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


Discovery (first detection):
Discovery date: 2020-01-02 13:13:10.000
Flux: 20.619 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-01-02 12:20:27
Limiting flux: 20.06 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: