GRB 260510A

Summary

General information

GRB 260510A was detected by Fermi/GBM at 02:46:19 UT on 2026-05-10 and described as a likely long GRB, with GECAM-B also reporting an on-ground trigger for the same event.

Wavelength coverage

Lightcurve and spectrum

GECAM-B reports multiple pulses with T90 = 38 (+6/-5) s (70–6000 keV).

Redshift

What’s special vs typical

Circulars [all]

GCN 44569: GRB 260510A: AstroSat CZTI detection
2026-05-12T05:10:46.495Z | rev 0
GCN 44569: GRB 260510A: AstroSat CZTI detection of a long burst (Erroneous Submission)
2026-05-12T05:10:46.495Z | rev 2
GCN 44569: GRB 260510A: AstroSat CZTI detection (Erroneous Submission)
2026-05-12T05:10:46.495Z | rev 3
GCN 44519: GRB 260510A: GECAM-B observation
2026-05-10T16:30:03.987Z | rev 0
GCN 44511: Fermi GRB 260510A: Global MASTER-Net observations report
2026-05-10T06:30:25.585Z | rev 0
GCN 44508: GRB 260510A: Fermi GBM Final Real-time Localization
2026-05-10T02:57:06.726Z | rev 0