Discovery certificate for object 2020mcl
TNS Astronomical Transient Report No. 73372 [ 2020TNSTR1745....1A ]

Date Received (UTC): 2020-06-10 01:49:35
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 NOIRLab), S. Chakrabarti, P. Craig, and B. Alamiri (RIT) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2020mcl
Discoverer internal name: ZTF20abcasax
Coordinates (J2000): RA = 14:23:27.876 (215.86615) DEC = +55:57:56.45 (55.965681)
Discovery date: 2020-05-28 05:13:32.000 (JD=2458997.7177315)

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


Discovery (first detection):
Discovery date: 2020-05-28 05:13:32.000
Flux: 20.231 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-05-25 07:11:39
Limiting flux: 20.806 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: