Discovery certificate for object 2020jbk
TNS Astronomical Transient Report No. 69751 [ 2020TNSTR1206....1F ]

Date Received (UTC): 2020-05-03 20:03:30
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, L. Galbany, G. Pignata, E. Camacho, J. Silva-Farfan, 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, F.E. Bauer, 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 2020jbk
Discoverer internal name: ZTF20aaygzky
Coordinates (J2000): RA = 17:12:10.964 (258.0456829) DEC = +63:01:45.60 (63.0293341)
Discovery date: 2020-05-03 11:13:33.004 (JD=2458972.9677431)

Potential host galaxy: SDSS J171211.09+630145.1
Host redshift: 0.173

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aaygzky

Photometry

Discovery (first detection):
Discovery date: 2020-05-03 11:13:33.004
Flux: 20.673 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-05-03 10:08:21
Limiting flux: 20.4408 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/2020jbk