TNS Astronomical Transient Report No. 271314 [ 2025TNSTR3859....1O ]

Date Received (UTC): 2025-09-25 18:59:27
Date made public:
Sender: LAST_Bot1
Reporting Group: LAST     Discovery Data Source: LAST

E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS), S. Garrappa (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 2025ynu
Coordinates (J2000): RA = 16:52:27.596 (253.11498376404) DEC = +33:47:22.50 (33.789582756704)
Discovery date: 2025-09-25 16:54:08.928 (JD=2460944.20427)



Photometry

Discovery (first detection):
Discovery date: 2025-09-25 16:54:08.928
Flux: 20.06 ABMag
Filter: Clear-
Instrument: LAST-Cam
Telescope: Large Array Survey Telescope

Last non-detection:
Last non-detection date: 2025-09-20 20:08:30
Limiting flux: 19.73 ABMag
Filter: Clear-
Instrument: LAST-Cam
Telescope: Large Array Survey Telescope


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