General information
GRB 260523B is reported as a likely short GRB triggered by Fermi/GBM at 19:26:02 UT on 2026-05-23, with confirming detections by GECAM-B and AstroSat CZTI.
Wavelength coverage
- Gamma-rays / hard X-rays: Detected by Fermi/GBM; GECAM-B reports 70–6000 keV light curves and T90; AstroSat CZTI reports detections in 20–200 keV and in the 100–500 keV veto detector.
No observations are mentioned at X-ray (soft), UV/optical/IR, radio, neutrino, or gravitational-wave bands.
Lightcurve and spectrum
Redshift
What’s special vs typical