Fig. 1.
Panel a: STEREO A daily proton fluxes for a kinetic energy 40–60 MeV and 60–100 MeV for the solar minimum 23/24 when A < 0 in 2007–2009. Panel b: GCR intensity normalized and detrended by excluding the 29-day running average, the time line of the power of recurrent variations lasting 25–29 days (panel c), and the recognized main period (panel d).
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