Discovery certificate for object 2021cs
TNS Astronomical Transient Report No. 95403 [ 2021TNSTR..18....1F ]

Date Received (UTC): 2021-01-03 20:12:24
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, 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: SN 2021cs
Discoverer internal name: ZTF21aaaoviv
Coordinates (J2000): RA = 13:36:01.156 (204.00481755) DEC = +22:38:47.35 (22.64648545)
Discovery date: 2021-01-03 11:38:52.996 (JD=2459217.9853356)

Potential host galaxy: WISEA J133601.44+223848.3
Host redshift: 0.065883

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/ZTF21aaaoviv

Photometry

Discovery (first detection):
Discovery date: 2021-01-03 11:38:52.996
Flux: 19.7736 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2021-01-03 11:38:13
Limiting flux: 19.6491 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/2021cs