A multiple spacecraft detection of the 2 April 2022 M-class flare and filament eruption during the first close Solar Orbiter perihelion

Solar Orbiter First Results (Nominal Mission Phase)

Open Access

Fig. 14.

Hinode/EIS observations over the flaring period. The left panel of this image shows the intensity of the He II 256.32 Å line observed by EIS, as a function of time and solar-y position, formed in the blue wing of the line between −190 and −10 km s⁻¹. Three features discussed in Sect. 4.2.2 are highlighted with arrows and numbers. The right panel shows the intensity of the Fe XXIV 192.03 Å line. A square-root intensity scaling has been applied for both lines.

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