Image reproduced with permission from Parker a , copyright by D. However, the meriodinal angle variations follow opposite patterns in the two regions, in both cases being consistent with an equatorward deflection downstream of the forward shock and poleward deflection downstream before passage of the reverse shock, consistent with the expectation from Fig. Rouillard et al. Adv Space Res — A crossing of the heliospheric current sheet HCS is also indicated ahead of the interface.
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