Discovery certificate for object 2019zth
TNS Astronomical Transient Report No. 58355 [ 2020TNSTR..87....1P ]

Date Received (UTC): 2020-01-09 07:22:55
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 2019zth
Discoverer internal name: ZTF19acyjyyl
Coordinates (J2000): RA = 12:39:07.080 (189.7795) DEC = +50:29:49.03 (50.496953)
Discovery date: 2019-12-13 13:27:50.000 (JD=2458831.0609954)


Remarks: Data were provided by the Zwicky Transient Facility (https://www.ztf.caltech.edu) and processed through the Lasair (https://lasair.roe.ac.uk), ALeRCE (https://alerce.online), ANTARES (https://antares.noao.edu), and MARS (https://mars.lco.global) brokers.

Photometry

Discovery (first detection):
Discovery date: 2019-12-13 13:27:50.000
Flux: 19.815 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-12-10 10:35:57
Limiting flux: 19.226 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019zth