TNS Astronomical Transient Report No. 255578 [ 2025TNSTR1847....1H ]

Date Received (UTC): 2025-05-20 19:22:42
Date made public:
Sender: DESIRT_Bot
Reporting Group: DESIRT     Discovery Data Source: DESIRT

Xander J. Hall (Carnegie Mellon U.), Tomás Ahumada (Caltech), Lei Hu (Carnegie Mellon U.), Antonella Palmese (Carnegie Mellon U.), Brendan O'Connor (Carnegie Mellon U.), Tomás Cabrera (Carnegie Mellon U.), Keerthi Kunnumkai (Carnegie Mellon U.) on behalf of 2DTS/ZTF report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025kwi
Discoverer internal name: A202505171638154p040520
Coordinates (J2000): RA = 16:38:15.370 (249.5640398237) DEC = +04:05:19.71 (4.0888076151813)
Discovery date: 2025-05-17 09:02:48.480 (JD=2460812.8769537)


Remarks: Discovered as part of the DECam ZTF experiment. (PI: Ahumada)

Photometry

Discovery (first detection):
Discovery date: 2025-05-17 09:02:48.480
Flux: 20.5849 ABMag
Filter: r-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Last non-detection:
Archival info: Other
Remarks: DECam Legacy Survey

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