General information
GRB 260314A was triggered by Fermi/GBM at 2026-03-14 00:58:50 UT and is described as a likely LONG GRB, with additional gamma-ray detections reported by GECAM-B and Glowbug.
Wavelength coverage
- Gamma-ray: Fermi/GBM trigger and localization; GECAM-B on-ground trigger; Glowbug detection with reported duration and significance.
- X-ray: An Einstein Probe/FXT error box is referenced in connection with an optical candidate (no X-ray flux/lightcurve details provided).
- Optical: MASTER-Kislovodsk reported early upper limits; SVOM/VT reported an uncatalogued optical source in VT_R and a VT_B limit.
No radio, infrared, ultraviolet, or TeV observations were mentioned.
Lightcurve and spectrum
- Glowbug: onset 2026-03-14 00:58:49.312, duration 6.1 s, total significance ~16.5 sigma; single peak at ~T0+3 s; detection during high background.
- MASTER-Kislovodsk: C-band (clear) upper limits 17.8–18.8 mag from T0+93 s to T0+380 s.
- SVOM/VT: at ~1.07 hr, VT_R = 22.70±0.26 AB and VT_B > 23.0 AB; fading not confirmed.
Redshift
What’s special vs typical