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Fig. 4


Spatial distribution of the 143 cluster members (small black points). The galaxies of the two main subgroups detected in the 3D-DEDICA analysis are indicated by large symbols. The red squares and blue rotated squares indicate galaxies of the main and secondary subgroups, respectively. The secondary subgroup is characterized by a lower velocity. The larger the symbol size, the larger is the deviation of the galaxy from the mean velocity. The center is fixed on the NGC 547 galaxy (large black circle). NGC 545 and NGC 541 are indicated by small circles.

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