Fig. 2

0.87 mm continuum map observed with ALMA (ADS/JAO.ALMA#2015.1.00340.S, PI: K. Tokuda). The first contour is at 3σ and the levelstep at 2σ (where 1σ = 3.3 × 10−5 Jy beam−1). The synthesized beam is shown in the bottom left corner. The positions of sources MMS-1, MMS-2, MMS-3 reported by Tokuda et al. (2014) are indicated as yellow triangles.
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