General information
GRB 260511C was detected by Fermi/GBM at 15:15:49 UT on 2026-05-11 and is reported as a likely long GRB. The on-ground GBM localization is RA=219.4 deg, Dec=39.3 deg (J2000) with a reported statistical uncertainty of 14.9 deg.
Wavelength coverage
- Gamma-ray: Fermi Gamma-ray Burst Monitor (GBM) detection and localization reported; LAT boresight angle noted (50.0 deg).
No observations were mentioned in X-ray, UV, optical, IR, radio, gravitational waves, or neutrinos.
Lightcurve and spectrum
Redshift
What’s special vs typical