General information
GRB 260705C is reported as a likely short GRB detected at about 2026-07-05 13:58:59 UT. It was detected by Fermi/GBM, Glowbug, and AstroSat/CZTI, with the GBM localization at RA 251.67 deg, Dec 55.55 deg and statistical uncertainty 11.60 deg.
Wavelength coverage
- Gamma-ray: Fermi/GBM detected and localized the burst; Glowbug detected a 0.26 s single-peaked burst at about 19.5 sigma; AstroSat/CZTI detected it in 20-200 keV with T90 = 0.27 (+0.11, -0.15) s.
No observations are mentioned in optical, infrared, ultraviolet, X-ray afterglow, radio, gravitational waves, or neutrinos.
Lightcurve and spectrum
- Glowbug reports a single peak, duration 0.26 s, and total significance about 19.5 sigma using a 32 ms adaptive window.
- AstroSat/CZTI reports the light curve peaks at 2026-07-05 13:58:59 UTC.
- AstroSat/CZTI measures a peak count rate of 310 (+130, -113) counts/s above background in two combined quadrants, total counts 48 (+18, -18), local mean background 123 (+9, -10) counts/s, and T90 = 0.27 (+0.11, -0.15) s.
- AstroSat/CZTI notes the burst is relatively weak, making the T90 uncertainty larger than usual.
Redshift
What’s special vs typical