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Fig. 10.

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Velocity structure in the IC1396 region, shown in terms of the mean difference between the velocity magnitude ΔvM (left panels) and the directional velocity ΔvD (right panels) versus the difference distance in parsec (Δr; see text). The two top panels show the region velocity structure considering all known and new members, including the extended population (G), which has considerably larger velocities and velocity dispersion than the rest of clustered members. The two bottom panels include only the clustered part of the population, excluding subcluster G, and thus offer a better view of the evolution and dispersal of the clustered members.

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