Discovery certificate for object 2021byx
TNS Astronomical Transient Report No. 98526 [ 2021TNSTR.359....1F ]

Date Received (UTC): 2021-02-06 16:42:38
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, L. Hernandez-Garcia, L. Galbany, 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 2021byx
Discoverer internal name: ZTF21aahjkus
Coordinates (J2000): RA = 08:21:28.985 (125.370772866667) DEC = -20:52:50.44 (-20.8806770333333)
Discovery date: 2021-02-03 06:30:53.004 (JD=2459248.7714468)

Potential host galaxy: WISEA J082128.98-205249.0

Remarks: SN candidate classified using ALeRCE's stamp classifier - see http://arxiv.org/abs/2008.03309 - and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF21aahjkus

Photometry

Discovery (first detection):
Discovery date: 2021-02-03 06:30:53.004
Flux: 20.2088 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2021-01-16 10:14:55
Limiting flux: 19.7213 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/2021byx