Discovery certificate for object 2019ztr
TNS Astronomical Transient Report No. 58367 [ 2020TNSTR..87....1P ]

Date Received (UTC): 2020-01-09 09:14:56
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 2019ztr
Discoverer internal name: ZTF20aaayohd
Coordinates (J2000): RA = 12:07:22.376 (181.843233) DEC = +08:31:12.53 (8.520147)
Discovery date: 2019-12-29 13:04:33.000 (JD=2458847.0448264)

Remarks: Data were provided by the Zwicky Transient Facility ( and processed through the Lasair (, ALeRCE (, ANTARES (, and MARS ( brokers. 12:07:22.376


Discovery (first detection):
Discovery date: 2019-12-29 13:04:33.000
Flux: 20.221 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-12-21 13:32:45
Limiting flux: 17.96 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: