Current accumulation at an asymmetric 3D null point caused by generic shearing motions

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Table 1

Experiments investigating the influence of the current accumulation and reconnection as the angle between the driver and the null point’s symmetry axis is changed.

Name^a	θ ^b	Peak J^c	Peak V^d	Ψ^e

A	0	36.6	0.70	0.019
B	30	34.5	0.62	0.017
C	60	28.7	0.43
D	70	25.4	0.40
E	80	20.5	0.40
F	90	20.9	0.43
IA	0	6.4	0.078	0.000855
IB	15	6.3	0.076	0.000755
IC	30	5.9	0.071	0.000695
ID	45	5.2	0.061	0.000615
IE	60	4.3	0.047	0.000560
IF	75	3.2	0.039	0.000465
IG	90	2.7	0.038	0.000390

Notes.

^(a)

First five represent continued stressing (A-F) while the last seven (IA-IG) represents the impulsive driving.

^(b)

Angle between the weak fan eigenvalue and the z-axis.

^(c)

Peak current value.

^(d)

Peak outflow velocity.

^(e)

Peak integrated parallel electric field.

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