General information
GRB 260703B was detected by Fermi GBM at 02:25:05.66 UT on 03 July 2026 and reported as a likely long GRB. The on-ground GBM position is RA 310.5 deg, Dec 47.9 deg with a statistical uncertainty of 5.1 deg, and the event was 19 deg from the Fermi LAT boresight.
Wavelength coverage
- Gamma-ray: Fermi GBM triggered on and localized the burst; Fermi LAT boresight angle is reported.
No optical, infrared, radio, X-ray, neutrino, or gravitational-wave observations are mentioned.
Lightcurve and spectrum
Redshift
What’s special vs typical