Discovery certificate for object 2020abcd
TNS Astronomical Transient Report No. 90919 [ 2020TNSTR3587....1F ]

Date Received (UTC): 2020-11-28 15:56:27
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 2020abcd
Discoverer internal name: ZTF20acttirv
Coordinates (J2000): RA = 05:15:01.608 (78.75670175) DEC = -02:54:38.10 (-2.91058385)
Discovery date: 2020-11-24 09:29:52.999 (JD=2459177.8957523)

Potential host galaxy: WISEA J051501.84-025438.0
Host redshift: 0.059434

Remarks: Early SN candidate (r-rise > 0.10+-0.02 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/ZTF20acttirv

Photometry

Discovery (first detection):
Discovery date: 2020-11-24 09:29:52.999
Flux: 20.2773 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-11-22 08:23:28
Limiting flux: 18.8793 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/2020abcd