TNS Astronomical Transient Report No. 264130 [ 2025TNSTR2953....1P ]
Date Received (UTC): 2025-07-28 08:57:05
Date made public:
Sender: Ismael Perez-Fournon
Reporting Group: SGLF Discovery Data Source: ZTF
I. Pérez-Fournon (IAC and ULL), B. Armas-Chinea, D. Cano-Morales, I. Correa-Plasencia, A.E. Hernández-Díaz, M. Quintana-Ansaldo E. Lekaroz-Urriza (ULL), F. Poidevin (IAC and ULL), C. Jiménez Ángel (GRANTECAN), R. Shirley (MPE), R. Marques-Chaves (Univ. of Geneva), and S. Geier (GRANTECAN & IAC) on behalf of SGLF report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025smk
Discoverer internal name: ZTF25abdbsmd
Coordinates (J2000): RA = 00:47:44.613 (11.935887) DEC = +03:14:19.49 (3.238747)
Discovery date: 2025-07-23 10:37:39.000 (JD=2460879.9428125)
Potential host galaxy: SDSS J004744.38+031419.4
Host redshift: 0.1323
Remarks: SN candidate discovered using the public ZTF alerts, the LSST/ZTF brokers, and our SGLF filters. ZTF light curve available at the LSST/ZTF brokers, e.g.: https://lasair-ztf.lsst.ac.uk/objects/ZTF25abdbsmd/ https://alerce.online/object/ZTF25abdbsmd https://antares.noirlab.edu/loci/ANT2025m3r4288pf793 https://fink-portal.org/ZTF25abdbsmd
Photometry
Discovery (first detection):
Discovery date: 2025-07-23 10:37:39.000
Flux: 20.221 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Last non-detection date: 2025-07-23 09:44:33
Limiting flux: 19.434 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025smk
Date Received (UTC): 2025-07-28 08:57:05
Date made public:
Sender: Ismael Perez-Fournon
Reporting Group: SGLF Discovery Data Source: ZTF
I. Pérez-Fournon (IAC and ULL), B. Armas-Chinea, D. Cano-Morales, I. Correa-Plasencia, A.E. Hernández-Díaz, M. Quintana-Ansaldo E. Lekaroz-Urriza (ULL), F. Poidevin (IAC and ULL), C. Jiménez Ángel (GRANTECAN), R. Shirley (MPE), R. Marques-Chaves (Univ. of Geneva), and S. Geier (GRANTECAN & IAC) on behalf of SGLF report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025smk
Discoverer internal name: ZTF25abdbsmd
Coordinates (J2000): RA = 00:47:44.613 (11.935887) DEC = +03:14:19.49 (3.238747)
Discovery date: 2025-07-23 10:37:39.000 (JD=2460879.9428125)
Potential host galaxy: SDSS J004744.38+031419.4
Host redshift: 0.1323
Remarks: SN candidate discovered using the public ZTF alerts, the LSST/ZTF brokers, and our SGLF filters. ZTF light curve available at the LSST/ZTF brokers, e.g.: https://lasair-ztf.lsst.ac.uk/objects/ZTF25abdbsmd/ https://alerce.online/object/ZTF25abdbsmd https://antares.noirlab.edu/loci/ANT2025m3r4288pf793 https://fink-portal.org/ZTF25abdbsmd
Photometry
Discovery (first detection):
Discovery date: 2025-07-23 10:37:39.000
Flux: 20.221 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Last non-detection date: 2025-07-23 09:44:33
Limiting flux: 19.434 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025smk