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Fig. 5.


Definition of the coordinates of pixels used in the computation of the correlation function. Absorbers i and j have angular separation θij and distance separation rij. The radial separation r∥, ij is the projection of rij on the median LOS, and the transverse separation r⊥, ij is the LOS perpendicular component of rij, assuming the flat Pl2015 model (Table 2).

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