TNS Astronomical Transient Report No. 182375 [ 2023TNSTR1650....1M ]

Date Received (UTC): 2023-07-13 12:54:42
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE     Discovery Data Source: ZTF

A. Munoz-Arancibia, A. Mourao, L. Galbany, F. Forster, F.E. Bauer, G. Pignata, L. Hernandez-Garcia, J. Silva-Farfan, R. Dastidar, E. Camacho, J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, A. Moya, E. Reyes, I. Reyes, P. Sanchez-Saez, 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 2023nbt
Discoverer internal name: ZTF23aarmovm
Coordinates (J2000): RA = 14:58:59.985 (224.7499372) DEC = +16:23:34.92 (16.3930341)
Discovery date: 2023-07-13 04:43:13.999 (JD=2460138.6966898)

Potential host galaxy: SDSS J145859.75+162335.5
Host redshift: 0.03173622

Remarks: Early SN candidate (g-rise > 0.52+-0.08 mag/day, r-rise > 0.50+-0.08 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF23aarmovm

Photometry

Discovery (first detection):
Discovery date: 2023-07-13 04:43:13.999
Flux: 19.3964 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2023-07-11 07:03:59
Limiting flux: 20.3438 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/2023nbt