TNS Astronomical Transient Report No. 271254 [ 2025TNSTR3859....1O ]

Date Received (UTC): 2025-09-25 04:12:26
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 2025ymj
Coordinates (J2000): RA = 00:20:15.814 (5.0658899791742) DEC = +25:17:24.33 (25.290091971992)
Discovery date: 2025-09-24 20:55:31.296 (JD=2460943.37189)



Photometry

Discovery (first detection):
Discovery date: 2025-09-24 20:55:31.296
Flux: 20.03 ABMag
Filter: Clear-
Instrument: LAST-Cam
Telescope: Large Array Survey Telescope

Last non-detection:
Last non-detection date: 2025-09-21 22:56:35
Limiting flux: 20.57 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/2025ymj