Discovery certificate for object 2021ckk
TNS Astronomical Transient Report No. 98924 [ 2021TNSTR.395....1F ]

Date Received (UTC): 2021-02-09 19:25:21
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, A. Munoz-Arancibia, 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 2021ckk
Discoverer internal name: ZTF21aajevjg
Coordinates (J2000): RA = 09:57:36.636 (149.4026483) DEC = -03:40:46.43 (-3.6795644)
Discovery date: 2021-02-09 09:07:48.003 (JD=2459254.8804167)

Potential host galaxy: WISEA J095736.32-034043.8
Host redshift: 0.0439

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/ZTF21aajevjg

Photometry

Discovery (first detection):
Discovery date: 2021-02-09 09:07:48.003
Flux: 20.5336 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2021-02-09 07:05:18
Limiting flux: 20.7137 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/2021ckk