Discovery certificate for object 2020aarr
TNS Astronomical Transient Report No. 90444 [ 2020TNSTR3518....1F ]

Date Received (UTC): 2020-11-21 15:38:33
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 2020aarr
Discoverer internal name: ZTF20acrskxf
Coordinates (J2000): RA = 22:47:16.763 (341.8198461) DEC = +16:27:06.46 (16.4517946333333)
Discovery date: 2020-11-18 02:59:37.000 (JD=2459171.6247338)

Potential host galaxy: SDSS J224716.58+162706.0
Host redshift: 0.214

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20acrskxf

Photometry

Discovery (first detection):
Discovery date: 2020-11-18 02:59:37.000
Flux: 20.5668 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-11-16 05:25:36
Limiting flux: 20.3032 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://www.wis-tns.org/object/2020aarr