Fig. 8
Upper panel: horizontal flow velocities,
v∥ ,0(r), in m/s
for the distance, r, from the spot center in Mm. Error bars
represent the standard deviation. Dashed vertical lines mark the boundaries
between umbra (U), penumbra (PU), and moat flow region (MF) and the quiet Sun
(QS). Lower panel: horizontal LOS velocity,
, in m/s of the MF (green
curve) and the quiet Sun (red curve) against the distance from the spot in pixels
with σrms (see Eq. (7)) as error bars.
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