TNS Astronomical Transient Report No. 107503 [ 2021TNSTR1298....1M ]

Date Received (UTC): 2021-04-21 19:10:59
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE     Discovery Data Source: ZTF

A. Munoz-Arancibia, F. Forster, F.E. Bauer, G. Pignata, 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 2021kji
Discoverer internal name: ZTF21aawzkdr
Coordinates (J2000): RA = 15:22:48.511 (230.7021302) DEC = +31:09:51.50 (31.1643059)
Discovery date: 2021-04-19 07:13:46.998 (JD=2459323.8012384)

Potential host galaxy: KYDISC 00183
Host redshift: 0.077508

Remarks: Early SN candidate (r-rise > 0.27+-0.04 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/ZTF21aawzkdr

Photometry

Discovery (first detection):
Discovery date: 2021-04-19 07:13:46.998
Flux: 20.459 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2021-04-17 09:43:20
Limiting flux: 20.7864 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/2021kji