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Fig. 8.


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Solar coronal conditions between 2005 January 17 and 25, including SEP event I11/R5. (a) 20-minute running averages of the INTEGRAL/SREM particle flux timeseries, (b) 20-minute running averages of the Rosetta/SREM particle flux timeseries, (c) GOES 1–8 Å solar X-ray flux and (d) WIND/WAVES frequency-time radio spectrum. The vertical solid black line indicates the onset time of the flare related to the SEP events source eruption. The flare information is annotated in (c) and the source CME information is annotated in (d). The arrow in (d) indicates the approximate start time of a CME-associated Type II radio burst. The red vertical dashed line at 10:15 UT on January 17 indicates the SEP event onset time observed first by the highest energy channel of INTEGRAL/SREM while the lowest energy channel detected the onset at 12:51 UT (second black vertical dashed line). It was also the lowest energy channel of Rosetta/SREM which was the last channel to detect the SEP event (11:48 UT, first black vertical dashed line). The colors used in (a) and (b) correspond to the different energy channels of the SREM detectors.

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