GRB 251130B

General information

GRB 251130B is a likely long gamma-ray burst triggered by Fermi/GBM at 15:33:18 UT on 30 Nov 2025, with subsequent detections reported by AstroSat/CZTI, Glowbug, and TERI.

Wavelength coverage

Gamma-rays / hard X-rays: Detected by Fermi/GBM; AstroSat/CZTI (20–200 keV and Veto 100–500 keV); Glowbug; TERI.
Optical: MASTER-Kislovodsk reported only upper limits (clear/unfiltered) at ~3.17e4 s after trigger. No observations were mentioned in: soft X-rays, UV, NIR, radio, TeV.

Lightcurve and spectrum

Redshift

What’s special vs typical

GCN 43897: GRB 251130B: TERI Gamma-ray detection

2026-03-02T15:52:59.979Z | rev 0

GCN 42953: GRB 251130B: Glowbug gamma-ray detection

2025-12-02T15:52:05.628Z | rev 0

GCN 42925: GRB 251130B: AstroSat CZTI detection

2025-12-01T18:20:31.086Z | rev 0

GCN 42912: Fermi GRB 251130B: Global MASTER-Net observations report

2025-12-01T02:15:34.280Z | rev 0

GCN 42907: GRB 251130B: Fermi GBM Final Localization Correction

2025-11-30T18:45:22.628Z | rev 2

GCN 42905: GRB 251130B: Fermi GBM Final Real-time Localization

2025-11-30T15:43:48.767Z | rev 0