General information
SVOM reported GRB 260121.06, with MASTER-Net performing rapid follow-up observations and reporting only optical upper limits (no optical transient detection).
Wavelength coverage
- Gamma-ray: SVOM trigger reported.
- Optical: MASTER-SAAO and MASTER-OAFA clear-filter imaging with upper limits.
No observations were mentioned for radio, infrared, ultraviolet, X-ray, or TeV.
Lightcurve and spectrum
- Optical limits: MASTER-SAAO began at ~T0+143 s with limits reaching ~19.7 mag (clear filter); subsequent sequences reported multiple non-detections.
Redshift
What’s special vs typical