Discovery certificate for object 2019zac
TNS Astronomical Transient Report No. 56817 [ 2019TNSTR2725....1F ]

Date Received (UTC): 2019-12-29 16:21:31
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, G. Pignata, J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, E. Reyes, I. Reyes, P. Sanchez-Saez, C. Valenzuela, E. Castillo, D. Ruz-Mieres, D. Rodriguez-Mancini, F.E. Bauer, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019zac
Discoverer internal name: ZTF19adcecxf
Coordinates (J2000): RA = 12:31:54.069 (187.9752859) DEC = +63:07:22.00 (63.1227783)
Discovery date: 2019-12-29 11:15:20.000 (JD=2458846.9689815)

Potential host galaxy: SDSS J123154.16+630721.3
Host redshift: 0.138

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19adcecxf

Photometry

Discovery (first detection):
Discovery date: 2019-12-29 11:15:20.000
Flux: 19.7909 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-12-21 12:23:56
Limiting flux: 19.4743 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

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