GRB 260728A

Summary

General information

GRB 260728A was detected by Fermi GBM at 04:37:01.48 UT on 28 July 2026 and reported as a likely long GRB. The on-ground GBM position is RA 262.86 deg, Dec -48.57 deg with 3.53 deg statistical uncertainty.

Wavelength coverage

Bands with no observations mentioned: radio, millimeter, infrared, optical, ultraviolet, X-ray, neutrino, gravitational-wave.

Lightcurve and spectrum

Redshift

What’s special vs typical

Circulars [all]

GCN 45237: GRB 260728A: Fermi GBM Final Localization
2026-07-28T06:52:53.746Z | rev 0