TNS Astronomical Transient Report No. 258178 [ 2025TNSTR2194....1R ]

Date Received (UTC): 2025-06-12 06:42:58
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 2025ngg
Discoverer internal name: ZTF25aauijjd
Coordinates (J2000): RA = 16:10:51.872 (242.7161353) DEC = -24:58:29.73 (-24.9749248)
Discovery date: 2025-06-05 08:03:46.002 (JD=2460831.8359491)


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: 2025-06-05 08:03:46.002
Flux: 19.3458 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-06-03 08:03:39
Limiting flux: 20.5344 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/2025ngg