Discovery certificate for object 2020zg
TNS Astronomical Transient Report No. 58860 [ 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 2020zg
Discoverer internal name: ZTF20aafmdzj
Coordinates (J2000): RA = 04:02:36.393 (60.6516359) DEC = -16:11:54.40 (-16.1984439)
Discovery date: 2020-01-15 03:02:36.000 (JD=2458863.6268056)

Potential host galaxy: WISEA J040236.46-161152.0

Remarks: Early SN candidate (g-rise > 0.46+-0.02 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aafmdzj

Photometry

Discovery (first detection):
Discovery date: 2020-01-15 03:02:36.000
Flux: 17.914 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-01-13 05:24:18
Limiting flux: 19.3219 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/2020zg