TNS Astronomical Transient Report No. 256041 [ 2025TNSTR1925....1R ]

Date Received (UTC): 2025-05-23 07:52:36
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 2025ljm
Discoverer internal name: ZTF20aczgxij
Coordinates (J2000): RA = 14:13:19.614 (213.3317256) DEC = -10:24:47.46 (-10.4131847)
Discovery date: 2025-05-19 07:04:33.000 (JD=2460814.7948264)


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: 2025-05-19 07:04:33.000
Flux: 19.7764 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-05-17 09:58:56
Limiting flux: 17.0021 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/2025ljm