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Fig. 4


ALMA 3 mm continuum emission maps of the OMC-2/3 region (combined 12-m and 7-m array data). The beamsize is and the FWHM beam is shown in the lower left corner of the frames. The contours are drawn in 3σrms intervals, with σrms = 0.23 mJy beam-1. The dotted contour is at −3σrms. The red circles and numbers indicate the objects detected by gaussclumps (listed in Table 2). These objects are regarded as dense cores, unless they coincide with a star with disk. The red plusses indicate protostars and the blue crosses stars with disks.

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