Discovery certificate for object 2021zeh
TNS Astronomical Transient Report No. 123856 [ 2021TNSTR3236....1F ]

Date Received (UTC): 2021-09-19 19:53:49
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, A. Mourao, L. Hernandez-Garcia, L. Galbany, E. Camacho, J. Silva-Farfan, 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 2021zeh
Discoverer internal name: ZTF21acdalyp
Coordinates (J2000): RA = 22:56:09.427 (344.0392799) DEC = +13:05:52.83 (13.0980074)
Discovery date: 2021-09-19 06:28:44.000 (JD=2459476.7699537)

Potential host galaxy: SDSS J225609.42+130551.5
Host redshift: 0.03743555

Remarks: Early SN candidate (g-rise > 0.40+-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/ZTF21acdalyp

Photometry

Discovery (first detection):
Discovery date: 2021-09-19 06:28:44.000
Flux: 18.3227 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2021-09-16 10:05:59
Limiting flux: 20.382 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/2021zeh