Discovery certificate for object 2020cgb
TNS Astronomical Transient Report No. 61538 [ 2020TNSTR.449....1M ]

Date Received (UTC): 2020-02-11 16:36:41
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

R. Marques-Chaves (CAB), I. Perez-Fournon, C. Jimenez Angel, F. Poidevin, 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: SN 2020cgb
Discoverer internal name: ZTF20aamknxn
Coordinates (J2000): RA = 15:16:12.859 (229.053579) DEC = +32:39:05.63 (32.651564)
Discovery date: 2020-02-05 11:12:08.000 (JD=2458884.9667593)

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


Discovery (first detection):
Discovery date: 2020-02-05 11:12:08.000
Flux: 20.014 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-02-02 13:06:28
Limiting flux: 20.76 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: