Discovery certificate for object 2020cil
TNS Astronomical Transient Report No. 61650 [ 2020TNSTR.473....1P ]

Date Received (UTC): 2020-02-13 01:05:36
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

I. Perez-Fournon, C. Jimenez Angel, 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 2020cil
Discoverer internal name: ZTF20aajfwkw
Coordinates (J2000): RA = 05:17:33.906 (79.391275) DEC = +18:32:29.32 (18.541478)
Discovery date: 2020-01-28 03:26:08.000 (JD=2458876.6431481)

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


Discovery (first detection):
Discovery date: 2020-01-28 03:26:08.000
Flux: 20.565 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-01-26 05:28:44
Limiting flux: 20.094 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: