Research Article

On the Onset Time of Several SPE/GLE Events: Indications from High-Energy Gamma-Ray and Neutron Measurements by CORONAS-F

Figure 4

Normalized time profiles of selected emissions from October 28, 2003, flare: (a) soft X-ray flux and its derivative; (b) hard X-ray 40–100 keV from CORONAS-F/SPR-N (black curve); gamma-rays from CORONAS-F/SONG 0.75–2 MeV (red) and 6–10.5 MeV (green); (c) gamma-lines from INTEGRAL/SPI [46]; (d) gamma-rays  MeV (red, left -axis) and neutrons (black, right -axis) from CORONAS-F/SONG; (e) magnetic field change rate [48].
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