TNS Astronomical Transient Report No. 275422 [ 2025TNSTR4401....1R ]

Date Received (UTC): 2025-11-01 06:05:34
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 2025accg
Discoverer internal name: ZTF25acbyjxe
Coordinates (J2000): RA = 18:45:39.978 (281.4165757) DEC = +47:08:31.00 (47.1419451)
Discovery date: 2025-11-01 02:53:21.998 (JD=2460980.6203935)


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: 2025-11-01 02:53:21.998
Flux: 18.2369 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-10-30 03:47:27
Limiting flux: 15.6933 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/2025accg