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Fig. 3


Spectral line emission from selected molecular species towards IRAS 23033+5951. For the integrated intensity (zeroth order moment) maps, the intensity was integrated over the ± 10 km s−1 around the vLSR = −53.1 km s−1 and above the 5σ threshold of each respective molecule. The black contours indicate the 5, 10, 15, 20σ continuum emission levels and increase further in steps of 20σ, where σ = 0.28 mJy beam−1. The dashed ellipses in the lower left corner of each panel show the respective synthesized beam ≈ 0.43′′ × 0.35′′ (PA 61°). The dashed lines indicate an elongated structure through MMS1b.

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