Fig. 4

Correlation length and the correlation function as a function of heliocentric distance. Top left: correlation length corresponding to forward propagating modes. Top right: correlation length corresponding to backward propagating modes. Middle left: correlation length of magnetic field fluctuations. Middle right: correlation length of velocity fluctuations. Bottom left: correlation length of residual energy. Bottom right: correlation functions. The convention for the curve is the same as used in Fig. 2.
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