Discovery certificate for object 2020tnx
TNS Astronomical Transient Report No. 82469 [ 2020TNSTR2848....1P ]

Date Received (UTC): 2020-09-18 01:49:59
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

F. Poidevin, I. Perez-Fournon, C. Jimenez Angel (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 2020tnx
Discoverer internal name: ZTF20abyxtkf
Coordinates (J2000): RA = 01:27:18.719 (21.827996) DEC = +15:22:41.41 (15.378169)
Discovery date: 2020-09-12 09:57:49.000 (JD=2459104.9151505)

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


Discovery (first detection):
Discovery date: 2020-09-12 09:57:49.000
Flux: 19.763 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-09-10 11:26:52
Limiting flux: 18.384 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: