Figure A1. Spectra for the line emission detected towards the IRAS 17589-2312 star formation core from mapping data.

Figure A2. Spectra of the SiO(1--0) v = 1, 2, 3 lines coming from the V5357Sgr Variable Star of Mira Cet type.

Figure A3. Image showing the relationship between the diffuse and dense gas in the NE cloud.

Table A1. Line parameters from a Gaussian fit to the spectra, for lines detected in deep pointing observations.

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