TNS Astronomical Transient Report No. 258149 [ 2025TNSTR2183....1R ]

Date Received (UTC): 2025-06-11 05:02:06
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: AT 2025nfo
Discoverer internal name: ZTF25aaumvgw
Coordinates (J2000): RA = 13:41:08.446 (205.2851923) DEC = +30:01:30.64 (30.0251767)
Discovery date: 2025-05-15 06:26:01.999 (JD=2460810.7680787)


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: 2025-05-15 06:26:01.999
Flux: 16.5705 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Archival info: Other
Remarks: No non-detections prior to first detection in ZTF Public, ZTF Public+Partnership+Caltech, ZTF Public+Partnership alert streams

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