Image Details
Caption: Figure 3.
Distribution of variance anisotropy in sub-Alfvénic and the neighboring super-Alfvénic solar wind intervals observed by PSP near perihelion 8 and 9 (see Figure 1 and the text in Section 3). The vertical line indicates the value Ab = 2, which corresponds to isotropic distribution.
© 2022. The Author(s). Published by the American Astronomical Society.