TNS Astronomical Transient Report No. 241050 [ 2025TNSTR.176....1R ]

Date Received (UTC): 2025-01-13 03:10:14
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 2025ld
Discoverer internal name: ZTF25aabknlu
Coordinates (J2000): RA = 21:53:54.029 (328.4751192) DEC = +37:00:32.29 (37.008969)
Discovery date: 2025-01-09 02:49:17.002 (JD=2460684.6175579)


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: 2025-01-09 02:49:17.002
Flux: 15.6714 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-01-06 03:25:17
Limiting flux: 19.7581 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/2025ld