TNS Astronomical Transient Report No. 272504 [ 2025TNSTR4014....1R ]

Date Received (UTC): 2025-10-05 03:53:25
Date made public:
Sender: BTSbot_bot
Reporting Group: ZTF     Discovery Data Source: ZTF

Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF report/s the discovery of a new astronomical transient.

IAU Designation: SN 2025zoy
Discoverer internal name: ZTF25abuzfte
Coordinates (J2000): RA = 17:38:20.296 (264.5845656) DEC = +41:10:10.83 (41.1696755)
Discovery date: 2025-10-02 04:09:57.000 (JD=2460950.6735764)


Remarks: Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167).

Photometry

Discovery (first detection):
Discovery date: 2025-10-02 04:09:57.000
Flux: 19.5943 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-10-01 03:39:18
Limiting flux: 20.2499 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/2025zoy