Discovery certificate for object 2020acty
TNS Astronomical Transient Report No. 92983 [ 2020TNSTR3792....1M ]

Date Received (UTC): 2020-12-15 22:17:31
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 2020acty
Discoverer internal name: ZTF20acxqxyw
Coordinates (J2000): RA = 09:22:35.982 (140.64992525) DEC = +30:59:40.70 (30.99463765)
Discovery date: 2020-12-15 09:27:01.996 (JD=2459198.8937731)

Potential host galaxy: WISE J092235.65+305937.5
Host redshift: 0.04703

Remarks: Early SN candidate (r-rise > 0.14+-0.03 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/ZTF20acxqxyw

Photometry

Discovery (first detection):
Discovery date: 2020-12-15 09:27:01.996
Flux: 20.2009 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-12-12 11:15:10
Limiting flux: 19.32 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/2020acty