GRB 250709A

Summary

General information

GRB 250709A was detected by the Fermi Gamma-ray Burst Monitor (GBM) at 15:39:54.99 UT on 2025-07-09 and reported as a likely long GRB, localized on-ground to RA 303.29°, Dec +34.66° (J2000) with 4.56° statistical uncertainty.

Wavelength coverage

Lightcurve and spectrum

Redshift

What’s special vs typical

Circulars [all]

GCN 45164: GRB 250709A: AstroSat CZTI detection
2026-07-15T07:35:09.469Z | rev 0
GCN 41051: GRB 250709A: Fermi GBM Final Localization
2025-07-09T17:32:31.998Z | rev 0