TNS Astronomical Transient Report No. 264206 [ 2025TNSTR2977....1R ]

Date Received (UTC): 2025-07-29 10:29:36
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 2025sny
Discoverer internal name: ZTF25abedagz
Coordinates (J2000): RA = 23:44:00.933 (356.0038878) DEC = +51:05:18.59 (51.0884979)
Discovery date: 2025-07-26 09:24:13.999 (JD=2460882.8918287)


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: 2025-07-26 09:24:13.999
Flux: 18.5556 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-07-14 07:21:00
Limiting flux: 19.0326 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


Details of the new object can be viewed here: https://www.wis-tns.org/object/2025sny