TNS Astronomical Transient Report No. 270850 [ 2025TNSTR3799....1R ]

Date Received (UTC): 2025-09-21 09:29:15
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 2025yeh
Discoverer internal name: ZTF25abspqxf
Coordinates (J2000): RA = 02:50:06.425 (42.5267719) DEC = +01:21:11.53 (1.3532035)
Discovery date: 2025-09-21 08:40:10.004 (JD=2460939.8612269)


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: 2025-09-21 08:40:10.004
Flux: 17.763 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-09-17 10:28:07
Limiting flux: 18.1218 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/2025yeh