GRB 260531C

General information

GRB 260531C is reported by the Fermi GBM team as a likely short GRB, triggered at 21:14:58.91 UT on 31 May 2026 with an on-ground localization.

Wavelength coverage

• Gamma-ray: Detected by Fermi GBM (trigger 801954903/260531885) with skymap/HEALPix and light curve products provided.

No observations are mentioned in X-ray, UV, optical, IR, radio, or neutrinos/GW.

Lightcurve and spectrum

Redshift

What’s special vs typical