TNS Astronomical Transient Report No. 270896 [ 2025TNSTR3792....1K ]

Date Received (UTC): 2025-09-21 17:34:03
Date made public:
Sender: LAST_Bot1
Reporting Group: LAST     Discovery Data Source: LAST

R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS), S. Garrappa (WIS), E. O. Ofek (WIS), S. Ben-Ami (WIS), D. Polishook (WIS), O. Yaron (WIS), P. Chen (WIS), A. Krassilchtchikov (WIS), Y. M. Shani (WIS), E. Segre (WIS), A. Gal-Yam (WIS), S. Spitzer (WIS), and K. Rybicki (WIS) on behalf of the LAST Collaboration report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025yfk
Coordinates (J2000): RA = 17:47:32.798 (266.88665751855) DEC = +55:50:30.70 (55.841862012714)
Discovery date: 2025-09-21 16:53:40.416 (JD=2460940.20394)



Photometry

Discovery (first detection):
Discovery date: 2025-09-21 16:53:40.416
Flux: 19.68 ABMag
Filter: Clear-
Instrument: LAST-Cam
Telescope: Large Array Survey Telescope

Last non-detection:
Last non-detection date: 2025-09-17 20:35:20
Limiting flux: 20.27 ABMag
Filter: Clear-
Instrument: LAST-Cam
Telescope: Large Array Survey Telescope


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