Discovery certificate for object 2020ef
TNS Astronomical Transient Report No. 57670 [ 2020TNSTR..41....1F ]

Date Received (UTC): 2020-01-04 15:40:45
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: SN 2020ef
Discoverer internal name: ZTF20aadcbux
Coordinates (J2000): RA = 15:04:28.738 (226.11974045) DEC = +08:21:41.74 (8.36159475)
Discovery date: 2020-01-04 12:35:47.000 (JD=2458853.0248495)

Potential host galaxy: SDSS J150428.71+082141.1
Host redshift: 0.067

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aadcbux

Photometry

Discovery (first detection):
Discovery date: 2020-01-04 12:35:47.000
Flux: 18.7082 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 13:10:51
Limiting flux: 18.8311 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://www.wis-tns.org/object/2020ef