TNS Astronomical Transient Report No. 265332 [ 2025TNSTR3124....1P ]
Date Received (UTC): 2025-08-09 20:47:28
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 2025tla
Discoverer internal name: ZTF25abgtrfw
Coordinates (J2000): RA = 23:22:54.220 (350.725917) DEC = +21:41:40.65 (21.694625)
Discovery date: 2025-08-02 08:48:20.000 (JD=2460889.8668981)
Potential host galaxy: SDSS J232254.32+214139.7
Host redshift: 0.1625914
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/ZTF25abgtrfw/ https://alerce.online/object/ZTF25abgtrfw https://antares.noirlab.edu/loci/ANT20254nikf1j4dyxa https://fink-portal.org/ZTF25abgtrfw
Photometry
Discovery (first detection):
Discovery date: 2025-08-02 08:48:20.000
Flux: 20.489 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Last non-detection date: 2025-08-02 07:53:22
Limiting flux: 20.599 ABMag
Filter: i-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025tla
Date Received (UTC): 2025-08-09 20:47:28
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 2025tla
Discoverer internal name: ZTF25abgtrfw
Coordinates (J2000): RA = 23:22:54.220 (350.725917) DEC = +21:41:40.65 (21.694625)
Discovery date: 2025-08-02 08:48:20.000 (JD=2460889.8668981)
Potential host galaxy: SDSS J232254.32+214139.7
Host redshift: 0.1625914
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/ZTF25abgtrfw/ https://alerce.online/object/ZTF25abgtrfw https://antares.noirlab.edu/loci/ANT20254nikf1j4dyxa https://fink-portal.org/ZTF25abgtrfw
Photometry
Discovery (first detection):
Discovery date: 2025-08-02 08:48:20.000
Flux: 20.489 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Last non-detection date: 2025-08-02 07:53:22
Limiting flux: 20.599 ABMag
Filter: i-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025tla