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Fig. A.1

image

Finding charts for the relevant sources detected also both at 70 and 24 μm with MIPS(A1 group). The black large and small circles correspond to APEX/LABOCA beam size and the search radius, 27.6 and 5 arcsec, respectively, whereas the yellow big and small circles represent the Akari/FIS and Akari/IRC beams. White labels denote possible and probable members of B30, whereas black labels are used for non-members or objects with unknown status. The background images correspond to CAHA/Omega2000 in the J band. The green, dashed contours come from the Spitzer/MIPS image at 24 μm after removing the difuse emission by the nebulosity (see Sect. 2.4), whereas the magenta levels come from the APEX/LABOCA and correspond to S/N starting at 2 with increments of 1.

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