Discovery certificate for object 2021abt
TNS Astronomical Transient Report No. 96535 [ 2021TNSTR.113....1M ]

Date Received (UTC): 2021-01-12 21:33:58
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

A. Munoz-Arancibia, F. Forster, F.E. Bauer, L. Hernandez-Garcia, G. Pignata, 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: SN 2021abt
Discoverer internal name: ZTF21aadrtcs
Coordinates (J2000): RA = 13:19:17.751 (199.8239617) DEC = -07:14:57.01 (-7.2491685)
Discovery date: 2021-01-10 12:59:14.004 (JD=2459225.0411343)

Potential host galaxy: LEDA 1022096

Remarks: Early SN candidate (r-rise > 0.24+-0.12 mag/day) 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/ZTF21aadrtcs

Photometry

Discovery (first detection):
Discovery date: 2021-01-10 12:59:14.004
Flux: 19.3743 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2021-01-08 11:26:34
Limiting flux: 19.8712 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/2021abt