Discovery certificate for object 2020yuy
TNS Astronomical Transient Report No. 88293 [ 2020TNSTR3335....1F ]

Date Received (UTC): 2020-11-03 19:07:09
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, A. Munoz-Arancibia, L. Hernandez-Garcia, G. Pignata, L. Galbany, G. Pignata, E. Camacho, J. Silva-Farfan, A. Mourao, 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, 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 2020yuy
Discoverer internal name: ZTF20acowsyj
Coordinates (J2000): RA = 08:39:58.344 (129.993098766667) DEC = +29:13:57.37 (29.2326038)
Discovery date: 2020-10-31 12:25:28.001 (JD=2459154.0176852)

Potential host galaxy: SDSS J083958.34+291357.2
Host redshift: 0.12

Remarks: Early SN candidate (g-rise > 0.10+-0.03 mag/day, r-rise > 0.15+-0.03 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20acowsyj

Photometry

Discovery (first detection):
Discovery date: 2020-10-31 12:25:28.001
Flux: 20.0593 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-10-31 11:38:16
Limiting flux: 19.6619 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/2020yuy