Discovery certificate for object 2020rka
TNS Astronomical Transient Report No. 80096 [ 2020TNSTR2496....1F ]

Date Received (UTC): 2020-08-15 20:08:38
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, L. Galbany, G. Pignata, E. Camacho, J. Silva-Farfan, A. Mourao, 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, 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 2020rka
Discoverer internal name: ZTF20abrnvnn
Coordinates (J2000): RA = 02:29:24.739 (37.35308085) DEC = -04:58:52.12 (-4.9811446)
Discovery date: 2020-08-15 10:06:07.998 (JD=2459076.9209259)

Potential host galaxy: WISEA J022924.66-045848.7
Host redshift: 0.266246

Remarks: Early SN candidate (g-rise > 0.07+-0.01 mag/day, 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/ZTF20abrnvnn

Photometry

Discovery (first detection):
Discovery date: 2020-08-15 10:06:07.998
Flux: 18.8218 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-08-06 11:27:27
Limiting flux: 19.3985 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/2020rka