Discovery certificate for object 2020acka
TNS Astronomical Transient Report No. 92522 [ 2020TNSTR3744....1M ]

Date Received (UTC): 2020-12-11 20:24:22
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: AT 2020acka
Discoverer internal name: ZTF20acwytxn
Coordinates (J2000): RA = 15:55:01.944 (238.758101325) DEC = +16:18:16.10 (16.304471875)
Discovery date: 2020-12-11 13:17:09.001 (JD=2459195.0535764)

Potential host galaxy: SDSS J155501.93+161816.2
Host redshift: 0.353

Remarks: SN candidate 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/ZTF20acwytxn

Photometry

Discovery (first detection):
Discovery date: 2020-12-11 13:17:09.001
Flux: 18.5655 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Archival info: Other
Remarks: ZTF non-detection limits not available

Details of the new object can be viewed here: https://www.wis-tns.org/object/2020acka