TNS Astronomical Transient Report No. 243889 [ 2025TNSTR.567....1R ]

Date Received (UTC): 2025-02-10 12:41:11
Date made public:
Sender: Fritz
Reporting Group: ZTF     Discovery Data Source: ZTF

Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025bds
Discoverer internal name: ZTF18aatrzec
Coordinates (J2000): RA = 19:08:27.564 (287.1148488) DEC = +50:47:19.89 (50.7888586)
Discovery date: 2025-02-08 12:51:40.999 (JD=2460715.0358912)


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: 2025-02-08 12:51:40.999
Flux: 18.1185 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-02-08 11:42:47
Limiting flux: 17.3925 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


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