(Color) Bidirectional flow in the chromosphere. (a) Extreme Ultraviolet Imaging Telescope (EIT) image showing position of SUMER slit, (b) spectrum along the slit at , and (c) line shape from the central section of the slit showing both blue- and redshifted shoulders.
(Color) Swarthmore Spheromak Experiment. (a) Schematic showing orientation of two merging spheromaks and location of magnetic probe array and (b) magnetic field lines measured by the probe array. Chord for IDS is indicated.
IDS sequence. Dynamics of line are depicted. Bidirectional jets are clearly evident around .
Polar satellite data at magnetopause. Out-of-plane quadrupole magnetic field is depicted in (d) and the in-plane reconnecting magnetic field in (e). The two lobes of the quadrupole field are about four ion inertial lengths apart.
Geometry of reconnection zone for Polar crossing. Magnetopause inflow direction is .
(Color) SSX quadrupole magnetic field. In-plane reconnecting magnetic field is represented as a vector field. 3D data are projected on a plane that best represents the idealized 2D geometry. SSX inflow direction is the direction. The scale is indicated with magnitude vector in the following. Quadrupole field is represented as a color map. Magnitudes reach near the outer reaches of the probe array. The ion inertial scale is about here. Two lobes of the quadrupole field are about four ion inertial lengths apart.
Cluster satellite data at magnetotail. Column A depicts data from SC-4 near the X line. Column B depicts data from SC-3 approximately or two ion inertial scales earthward from SC-4. The in-plane Hall electric field is depicted in the top panel of each column.
Geometry of reconnection zone for Cluster crossing. Inward directed electric field, trajectories of ions, and direction of fluid flow are illustrated.
SSX Hall electric field. A vector map of the projection of the Hall electric field onto the same plane as depicted in Fig. 6. The Hall electric field is directed inward toward the current sheet and has a quadrupolar character.
Time history of resistive, Hall, and electron inertia electric fields from a representative point in the SSX reconnection volume (near the X line). The point corresponds to in Figs. 6 and 9. The Hall term is the dominant contribution to the electric field. Vector magnitudes are presented for simplicity. (a) single shot and (b) ensemble average of 36 shots.
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