Discovery certificate for object 2020chy
TNS Astronomical Transient Report No. 61635 [ 2020TNSTR.460....1M ]

Date Received (UTC): 2020-02-12 16:04:17
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 2020chy
Discoverer internal name: ZTF20aamamnp
Coordinates (J2000): RA = 08:58:28.875 (134.620313) DEC = +00:52:28.63 (0.874619)
Discovery date: 2020-02-02 05:56:10.000 (JD=2458881.747338)

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


Discovery (first detection):
Discovery date: 2020-02-02 05:56:10.000
Flux: 20.234 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-01-30 07:32:05
Limiting flux: 20.116 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: