Discovery certificate for object 2020nfr
TNS Astronomical Transient Report No. 74828 [ 2020TNSTR1892....1F ]

Date Received (UTC): 2020-06-23 00:11:54
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, L. Galbany, G. Pignata, E. Camacho, J. Silva-Farfan, 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 2020nfr
Discoverer internal name: ZTF20abgzvff
Coordinates (J2000): RA = 23:06:13.716 (346.55715155) DEC = +49:01:34.07 (49.0261299)
Discovery date: 2020-06-22 08:37:00.002 (JD=2459022.8590278)

Potential host galaxy: WISEA J230613.62+490135.1

Remarks: Early SN candidate (g-rise > 0.80+-0.02 mag/day, r-rise > 0.43+-0.01 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20abgzvff

Photometry

Discovery (first detection):
Discovery date: 2020-06-22 08:37:00.002
Flux: 18.2542 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-06-19 08:18:06
Limiting flux: 20.6671 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/2020nfr