Discovery certificate for object 2020df
TNS Astronomical Transient Report No. 57628 [ 2020TNSTR..28....1F ]

Date Received (UTC): 2020-01-03 15:49:55
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 2020df
Discoverer internal name: ZTF20aacdhlf
Coordinates (J2000): RA = 16:26:35.848 (246.6493671) DEC = +39:37:46.99 (39.6297183)
Discovery date: 2020-01-03 13:22:57 (JD=2458852.0576042)

Potential host galaxy: WISEA J162635.83+393745.9
Host redshift: 0.109429

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aacdhlf

Photometry

Discovery (first detection):
Discovery date: 2020-01-03 13:22:57
Flux: 19.1918 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-12-20 13:13:27
Limiting flux: 18.9538 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/2020df