Discovery certificate for object 2020aff
TNS Astronomical Transient Report No. 59083 [ 2020TNSTR.170....1F ]

Date Received (UTC): 2020-01-18 15:47:22
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, G. Pignata, F.E. Bauer, 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 2020aff
Discoverer internal name: ZTF20aagmzlq
Coordinates (J2000): RA = 12:40:49.155 (190.204813) DEC = +39:02:42.69 (39.0451927)
Discovery date: 2020-01-18 12:41:22 (JD=2458867.0287269)

Potential host galaxy: WISEA J124048.73+390245.9
Host redshift: 0.115552

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aagmzlq

Photometry

Discovery (first detection):
Discovery date: 2020-01-18 12:41:22
Flux: 20.1945 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-01-14 11:37:28
Limiting flux: 19.6133 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://wis-tns.weizmann.ac.il/object/2020aff