Discovery certificate for object 2019zbk
TNS Astronomical Transient Report No. 56851 [ 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 2019zbk
Discoverer internal name: ZTF19adcfzyu
Coordinates (J2000): RA = 13:06:49.147 (196.7047774) DEC = +48:57:14.03 (48.9538985)
Discovery date: 2019-12-29 13:27:50 (JD=2458847.0609954)

Potential host galaxy: WISEA J130648.93+485712.8
Host redshift: 0.098591

Remarks: Early SN candidate (g-rise > 0.12+-0.01 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19adcfzyu

Photometry

Discovery (first detection):
Discovery date: 2019-12-29 13:27:50
Flux: 19.1846 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-12-19 13:37:35
Limiting flux: 20.2804 ABMag
Filter: g-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/2019zbk