Discovery certificate for object 2020iyb
TNS Astronomical Transient Report No. 69603 [ 2020TNSTR1200....1A ]

Date Received (UTC): 2020-05-02 03:42:11
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 2020iyb
Discoverer internal name: ZTF20aaxajqz
Coordinates (J2000): RA = 14:15:41.988 (213.92495) DEC = +21:40:39.10 (21.677528)
Discovery date: 2020-04-25 06:52:06.000 (JD=2458964.7861806)

Potential host galaxy: SDSS J141541.83+214042.5
Host redshift: 0.150075

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


Discovery (first detection):
Discovery date: 2020-04-25 06:52:06.000
Flux: 20.474 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-04-24 08:28:56
Limiting flux: 20.904 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: