Fig. 8
![Fig. 8](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40623-019-1056-0/MediaObjects/40623_2019_1056_Fig8_HTML.png)
Radial profile of the equatorial plasma mass density (red curve in a–f) observed at 06:30 UT (~ 08:30 LT) between 27 May and 1 June 2017. For comparison, each panel shows also the density profile of 26 May 2017 (black curve). Solid lines are smoothed spline fits of experimental points (open circles)