Discovery certificate for object 2020jyy
TNS Astronomical Transient Report No. 70768 [ 2020TNSTR1355....1A ]

Date Received (UTC): 2020-05-15 00:55:47
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 2020jyy
Discoverer internal name: ZTF20aazgmpo
Coordinates (J2000): RA = 09:08:36.830 (137.153458) DEC = +56:00:11.33 (56.003147)
Discovery date: 2020-04-29 04:33:31.000 (JD=2458968.6899421)

Potential host galaxy: SDSS J090836.58+560012.0
Host redshift: 0.0831274

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


Discovery (first detection):
Discovery date: 2020-04-29 04:33:31.000
Flux: 20.276 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-04-26 05:11:18
Limiting flux: 20.617 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: