General information
GRB 260727B was detected by Fermi GBM at 03:17:30 UT on 27 Jul 2026 and reported as a likely long GRB. The on-ground GBM localization is RA 191.4 deg, Dec -24.5 deg with a 10.6 deg statistical uncertainty.
Wavelength coverage
- Gamma-ray: Fermi GBM triggered and localized the burst; GBM skymap, HEALPix localization, and light curve products are available.
- Gamma-ray: The angle from the Fermi LAT boresight was reported as 80.0 deg.
No optical, infrared, radio, X-ray, neutrino, or gravitational-wave observations are mentioned.
Lightcurve and spectrum
- A GBM light curve product is available from the Fermi quicklook data.
Redshift
What’s special vs typical