Fig. 1.
Positions of our sample of Fornax main member galaxies. The sample was split between the Fornax main cluster (blue and purple) and the Fornax group (orange) based on the separation relative to NGC 1399 and NGC 1316. Using NGC 1399 and NGC 1316 as the centres of the Fornax main and Fornax group, respectively, the projected separation between the two centres is ∼3.6°. Galaxies which have a projected separation to NGC 1399 that is greater than twice the projected separation to NGC 1316 were classified as belonging to the Fornax group. The dashed blue and red lines denote 2° (=700 kpc) and 1° from NGC 1399 and NGC 1316, respectively.
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