Discovery certificate for object 2020bf
TNS Astronomical Transient Report No. 57542 [ 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 2020bf
Discoverer internal name: ZTF20aabqiou
Coordinates (J2000): RA = 15:39:47.589 (234.94828825) DEC = +46:41:48.82 (46.6968948)
Discovery date: 2020-01-02 12:15:00.000 (JD=2458851.0104167)

Potential host galaxy: WISEA J153947.83+464145.6
Host redshift: 0.05381

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aabqiou

Photometry

Discovery (first detection):
Discovery date: 2020-01-02 12:15:00.000
Flux: 19.4755 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-12-19 12:22:47
Limiting flux: 19.7331 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/2020bf