Discovery certificate for object 2020zi
TNS Astronomical Transient Report No. 58862 [ 2020TNSTR.141....1F ]

Date Received (UTC): 2020-01-15 18:23:06
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, G. Pignata, F.E. Bauer, 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: SN 2020zi
Discoverer internal name: ZTF20aafsnpp
Coordinates (J2000): RA = 13:37:20.863 (204.33692905) DEC = +61:59:09.81 (61.9860586)
Discovery date: 2020-01-15 10:44:59.000 (JD=2458863.9479051)

Potential host galaxy: 2MASX J13372096+6159112
Host redshift: 0.044201

Remarks: Early SN candidate (r-rise > 0.09+-0.02 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aafsnpp

Photometry

Discovery (first detection):
Discovery date: 2020-01-15 10:44:59.000
Flux: 19.9896 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-01-12 08:54:00
Limiting flux: 19.144 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://www.wis-tns.org/object/2020zi