Discovery certificate for object 2020abf
TNS Astronomical Transient Report No. 58941 [ 2020TNSTR.153....1F ]

Date Received (UTC): 2020-01-16 20:06:03
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 2020abf
Discoverer internal name: ZTF20aagewqr
Coordinates (J2000): RA = 09:18:05.959 (139.5248279) DEC = -15:48:44.85 (-15.81245755)
Discovery date: 2020-01-16 07:36:19.000 (JD=2458864.8168866)

Potential host galaxy: WISEA J091805.83-154841.8
Host redshift: 0.016064

Remarks: Early SN candidate (r-rise > 0.11+-0.01 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aagewqr

Photometry

Discovery (first detection):
Discovery date: 2020-01-16 07:36:19.000
Flux: 19.1417 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-01-13 07:37:02
Limiting flux: 18.6934 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/2020abf