Line flux ratios measured in our sources.
|Line flux ratio||SPT0103-45||SPT0125-47||SPT0125-50||SPT0300-46||SPT0551-50||Mean ratio|
|I12CO(4-3)/I13CO(4-3)||> 10.9||> 23.1||–|
|IHCN(5-4)/I12CO(4-3)||< 0.067||< 0.055||< 0.095|
|IHCN(5-4)/I[CI](1-0)||–||< 0.215||< 1.374||–|
Notes. The mean ratio is computed combining all the sources for which these two lines were observed (see the description of the method in Sects. 2.5 and 2.6). For the ratios between two dense-gas tracers, we provided values only when the two lines are detected at more than 2σ. Otherwise, the ratio is often compatible at 2σ with both zero and infinity. Concerning the 12CO/ 13CO, only SPT0125-50 is observed and not detected and we consequently derived a lower limit on this ratio, since 12CO is well detected. For the ratio between HCN(5-4) and CO(4-3) or [CI](1-0), we derived upper limits, since the denominator (CO or [CI]) is often detected.
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