Discovery certificate for object 2020aazk
TNS Astronomical Transient Report No. 90798 [ 2020TNSTR3568....1M ]

Date Received (UTC): 2020-11-26 17:09:36
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, 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 2020aazk
Discoverer internal name: ZTF20actvgsy
Coordinates (J2000): RA = 09:18:47.901 (139.699586066667) DEC = +30:21:16.84 (30.3546786333333)
Discovery date: 2020-11-20 11:09:07.004 (JD=2459173.9646644)

Potential host galaxy: WISEA J091847.91+302116.7
Host redshift: 0.10196

Remarks: Early SN candidate (g-rise > 0.24+-0.07 mag/day) classified using ALeRCE's stamp classifier - see http://arxiv.org/abs/2008.03309 - and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20actvgsy

Photometry

Discovery (first detection):
Discovery date: 2020-11-20 11:09:07.004
Flux: 19.9541 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-11-17 12:42:26
Limiting flux: 20.4285 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://www.wis-tns.org/object/2020aazk