Discovery certificate for object 2020bi
TNS Astronomical Transient Report No. 57545 [ 2020TNSTR..13....1F ]

Date Received (UTC): 2020-01-02 17:15:41
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, G. Pignata, 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 2020bi
Discoverer internal name: ZTF19aaujqrd
Coordinates (J2000): RA = 14:47:45.271 (221.93862785) DEC = +51:48:39.47 (51.81096475)
Discovery date: 2020-01-02 12:18:27 (JD=2458851.0128125)

Potential host galaxy: WISEA J144745.27+514839.6
Host redshift: 0.184644

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19aaujqrd

Photometry

Discovery (first detection):
Discovery date: 2020-01-02 12:18:27
Flux: 20.0145 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-12-21 13:22:46
Limiting flux: 18.3442 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://wis-tns.weizmann.ac.il/object/2020bi