Discovery certificate for object 2019zyk
TNS Astronomical Transient Report No. 58803 [ 2020TNSTR.146....1M ]

Date Received (UTC): 2020-01-15 02:47:52
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

R. Marques-Chaves (CAB), I. Perez-Fournon, F. Poidevin, C. Jimenez Angel, R. Shirley (IAC & ULL), 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 2019zyk
Discoverer internal name: ZTF20aaesnii
Coordinates (J2000): RA = 23:31:41.354 (352.922308) DEC = +21:21:21.33 (21.355925)
Discovery date: 2019-12-29 02:23:39 (JD=2458846.5997569)


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: 2019-12-29 02:23:39
Flux: 20.381 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-12-21 02:56:24
Limiting flux: 18.412 ABMag
Filter: g-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/2019zyk