Planetary Space Weather
Open Access
Technical Article

Fig. 12

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Example of Hisaki monitoring of Jupiter’s aurora and plasma torus observed on DOY 21-46, 2016. (a) Emission power of Jupiter’s northern aurora. (b) Demodulated (black dots) and smoothed (red solid line) of auroral emission power (see Kimura et al. (2018) for the demodulation and smoothing methods). Local maxima in the smoothed power are indicated with red circles. (c) Emission power of the torus. It is of note that some data dots away from the monotonically decreasing trend are contaminated with the radiation background; this was observed when Hisaki flew through the Southern Atlantic Anomaly. (d) Solar wind dynamic pressure extrapolated from Earth’s orbit by a one-dimensional MHD simulation (Tao et al., 2005). Local maxima in the dynamic pressure closest to those in the smoothed auroral power are indicated by red solid circles.

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