Fig. 1: An overview of the IMF, solar wind conditions and auroral electrojet on 9–11 April 2015. | Communications Earth & Environment

Fig. 1: An overview of the IMF, solar wind conditions and auroral electrojet on 9–11 April 2015.

From: Unusual shrinkage and reshaping of Earth’s magnetosphere under a strong northward interplanetary magnetic field

Fig. 1

a The three IMF components; b the solar wind number density and speed; c the solar wind dynamic pressure, PDyn and SYM-H index; d the provisional auroral electrojet geomagnetic indices; green and blue lines are for AL and AU; the zooming (e) IMF and (f) PDyn for the periods of 8:30–12:30 UT on 10 April 2015. The IMF and solar wind data have been lagged by 7 min to allow for propagation from the bow shock nose to the dayside magnetopause. The period between the two red dotted lines is the period of focus.

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