General information
GRB 260318A is a likely long gamma-ray burst triggered by Fermi/GBM at 2026-03-18 22:35:47 UT and subsequently reported by multiple gamma-ray instruments. The Fermi/GBM localization is RA=303.6 deg, Dec=57.0 deg (J2000) with 1.0 deg statistical uncertainty.
Wavelength coverage
- Gamma-ray: Detected by Fermi/GBM, GECAM-B, SVOM/GRM, and Glowbug; SVOM/GRM reports a power-law spectrum and fluence.
- Optical: MASTER-Kislovodsk reports only upper limits to ~18.1 mag starting ~596 s after trigger.
No observations were mentioned in radio, infrared, ultraviolet, X-ray, or TeV.
Lightcurve and spectrum
Redshift
What’s special vs typical