Discovery certificate for object 2020aafk
TNS Astronomical Transient Report No. 89857 [ 2020TNSTR3475....1M ]

Date Received (UTC): 2020-11-17 19:00:01
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

A. Munoz-Arancibia, F. Forster, F.E. Bauer, L. Hernandez-Garcia, G. Pignata, 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: AT 2020aafk
Discoverer internal name: ZTF20acrjdjk
Coordinates (J2000): RA = 09:20:40.079 (140.1669959) DEC = +21:29:55.49 (21.4987479)
Discovery date: 2020-11-17 11:33:18.999 (JD=2459170.9814699)

Potential host galaxy: SDSS J092040.12+212957.3
Host redshift: 0.128

Remarks: Early SN candidate (g-rise > 0.36+-0.09 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20acrjdjk

Photometry

Discovery (first detection):
Discovery date: 2020-11-17 11:33:18.999
Flux: 19.8229 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-11-15 11:39:49
Limiting flux: 20.5329 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/2020aafk