Discovery certificate for object 2020dy
TNS Astronomical Transient Report No. 57663 [ 2020TNSTR..41....1F ]

Date Received (UTC): 2020-01-04 15:40:45
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 2020dy
Discoverer internal name: ZTF20aacxhsj
Coordinates (J2000): RA = 10:03:26.709 (150.8612862) DEC = -02:54:00.22 (-2.9000618)
Discovery date: 2020-01-04 10:28:29 (JD=2458852.9364468)

Potential host galaxy: SDSS J100326.98-025359.1
Host redshift: 0.091

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aacxhsj

Photometry

Discovery (first detection):
Discovery date: 2020-01-04 10:28:29
Flux: 20.784 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-01-01 11:31:24
Limiting flux: 20.3659 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/2020dy