Discovery certificate for object 2020tjy
TNS Astronomical Transient Report No. 82280 [ 2020TNSTR2818....1A ]

Date Received (UTC): 2020-09-16 01:37:28
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

C. Jimenez Angel, I. Perez-Fournon, F. Poidevin (IAC & ULL), R. Shirley (Univ. of Southampton), 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 2020tjy
Discoverer internal name: ZTF20abwditg
Coordinates (J2000): RA = 23:42:15.805 (355.565854) DEC = +52:12:35.39 (52.209831)
Discovery date: 2020-08-24 08:34:46.000 (JD=2459085.8574769)

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


Discovery (first detection):
Discovery date: 2020-08-24 08:34:46.000
Flux: 20.858 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-08-24 07:49:54
Limiting flux: 20.811 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: