General information
GRB 260120C was detected by Fermi/GBM at 2026-01-20 23:07:06 UT and reported as a likely short GRB. The on-ground GBM localization is centered at RA=262.0 deg, Dec=3.4 deg (J2000) with a 9.3 deg statistical uncertainty.
Wavelength coverage
- Gamma-rays: Detected by Fermi GBM (trigger 790643231.34709 / 260120963).
- Optical: MASTER-Net follow-up reported only upper limits in clear (unfiltered) band, down to ~18.2–19.1 mag in tiled observations and ~16.7–16.8 mag in later single tiles.
No observations were mentioned in X-ray, UV, infrared, radio, or neutrinos/GWs.
Lightcurve and spectrum
Redshift
What’s special vs typical