General information
GRB 260129A was detected by Fermi/GBM at 2026-01-29 04:33:12 UT and reported as a likely long GRB. The final on-ground GBM localization is RA = 160.4 deg, Dec = -46.8 deg (J2000) with a reported statistical uncertainty of 9.7 deg.
Wavelength coverage
- Gamma-ray: Detected/triggered by Fermi/GBM.
- Optical: MASTER-Net follow-up reported only upper limits (clear/C band), reaching ~20.3 mag in early observations.
No observations were mentioned in X-ray, UV, infrared, radio, or TeV/gamma-ray (ground-based).
Lightcurve and spectrum
Redshift
What’s special vs typical