TNS Astronomical Transient Report No. 305280 [ 2026TNSTR2289....1R ]

Date Received (UTC): 2026-05-26 05:22:00
Date made public:
Sender: SAGUARO_Bot1
Reporting Group: Shadow     Discovery Data Source: Shadow

Conor Ransome (UofA), Bhagya Subrayan (UofA), David Sand (UofA), Azalee Bostroem (UofA), Jeniveve Pearson (UofA), Brian Hsu (UofA), Noah Franz (UofA), Phillip Noel (UofA), Griffin Hosseinzadeh (UCSD), Jennifer Andrews (NOIRLab), Manisha Shrestha (Monash), Samuel Wyatt (Goddard), Xander Hall (CMU), Lei Hu (CMU), Tomás Cabrera (CMU), Antonella Palmese (CMU), Frank Valdes (NOIRLab), Kathy Vivas (NOIRLab), Monika Soraisam (NOIRLab), on behalf of the Shadow collaboration report/s the discovery of a new astronomical transient.

IAU Designation: AT 2026nri
Coordinates (J2000): RA = 12:26:32.623 (186.63593) DEC = +10:30:40.99 (10.511386)
Discovery date: 2026-05-25 07:04:04.000 (JD=2461185.7944907)



Photometry

Discovery (first detection):
Discovery date: 2026-05-25 07:04:04.000
Flux: 20.2371 ABMag
Filter: r-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Last non-detection:
Archival info: Other
Remarks: no previous nondetections

Details of the new object can be viewed here: https://www.wis-tns.org/object/2026nri