Discovery certificate for object 2020aatk
TNS Astronomical Transient Report No. 90563 [ 2020TNSTR3535....1M ]

Date Received (UTC): 2020-11-23 18:38:26
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 2020aatk
Discoverer internal name: ZTF20actkuhn
Coordinates (J2000): RA = 12:36:00.720 (189.00299835) DEC = +40:58:10.20 (40.96950125)
Discovery date: 2020-11-17 11:48:34.001 (JD=2459170.9920602)

Potential host galaxy: SDSS J123600.75+405809.3
Host redshift: 0.196

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20actkuhn

Photometry

Discovery (first detection):
Discovery date: 2020-11-17 11:48:34.001
Flux: 20.4981 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 12:49:34
Limiting flux: 20.3304 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/2020aatk