Discovery certificate for object 2020ris
TNS Astronomical Transient Report No. 80054 [ 2020TNSTR2482....1F ]

Date Received (UTC): 2020-08-14 18:53:50
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, 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 2020ris
Discoverer internal name: ZTF20absietq
Coordinates (J2000): RA = 02:30:55.197 (37.7299855666667) DEC = +23:42:23.77 (23.7066022333333)
Discovery date: 2020-08-14 10:42:48.001 (JD=2459075.9463889)

Potential host galaxy: SDSS J023055.13+234224.5
Host redshift: 0.094

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20absietq

Photometry

Discovery (first detection):
Discovery date: 2020-08-14 10:42:48.001
Flux: 20.8318 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-08-08 11:18:14
Limiting flux: 20.2886 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/2020ris