Discovery certificate for object 2020xls
TNS Astronomical Transient Report No. 86650 [ 2020TNSTR3172....1F ]

Date Received (UTC): 2020-10-19 21:43:36
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 2020xls
Discoverer internal name: ZTF20ackzejl
Coordinates (J2000): RA = 02:20:49.573 (35.206553) DEC = -20:48:51.04 (-20.8141781)
Discovery date: 2020-10-19 07:35:45.997 (JD=2459141.8165046)

Potential host galaxy: WISEA J022049.66-204850.1
Host redshift: 0.03337

Remarks: Early SN candidate (g-rise > 0.65+-0.16 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20ackzejl

Photometry

Discovery (first detection):
Discovery date: 2020-10-19 07:35:45.997
Flux: 19.3862 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-10-18 09:03:09
Limiting flux: 19.9957 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/2020xls