Multi-point observation of interplanetary shock–driven asymmetry of dayside inner-magnetospheric keV particles under geomagnetically quiet conditions
Geoffrey D. Reeves
Abstract
We present simultaneous multi-point observation of local-time asymmetry in keV ion and electron fluxes during the interplanetary (IP) shock impact on 19 April 2014 under geomagnetically quiet conditions. During this event, Van Allen Probe-A and Probe-B were simultaneously located in the afternoon and morning sectors, respectively, for ∼20 min (18:38-18:58 UT), while sampling nearly identical radial distances (L* = 3.7 ± 0.2). This unique conjunction provides an exceptional opportunity..