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Fig. 6


Multiple outflow structures towards IRAS 23033+5951 as traced by 13CO (2–1)emission in the merged data cube. The gray-scale in the background shows the continuum intensity from Fig. 1. The blue and red contours present the integrated line wing emission from 13CO for the intervals of − 70 to − 60 km s−1 and − 46 to − 36 km s−1 (vLSR = −53.1 km s−1), respectively, starting at 55% and increasing in steps of 10% of the peak intensities Ipeak,blue = 0.78 Jy beam−1 km s−1 and Ipeak,red = 0.25 Jy beam−1 km s−1. The green contours show the continuum emission at 3.6 cm, reported by Beuther et al. (2002a), starting at 4 σ and increasing in steps of σ = 41.5 μJy beam−1 with an angular resolution of 1.04′′ × 0.62′′, and the yellow diamonds towards MMS1a mark the positions of the 3.6 cm emission peaks (Rodríguez et al. 2012) with an angular resolution of 0.31′′ × 0.25′′. The blue and red arrows are drawn by eye to guide the reader to the outflow lobes from MMS1a and b. The solid lines across the cores are drawn perpendicular and indicate the corresponding inferred disk major axes. The shaded ellipse in the lower left corner indicates the synthesized beam of 0.8′′ × 0.67′′ (PA 52°) of the merged 13CO (2–1) data.

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