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Fig. 17

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Line-wing over line-core main-beam temperature ratio of the observed CO lines in sources that are less well studied in molecular emission: Frosty Leo, NGC 6302, and IRAS 17436+5003. We can identify hotter and cooler fast outflows in these cases as well. Squares (continuous line) represent 12CO data and triangles (dashed lines) show 13CO data. Each rotational transition is represented by the energy (in K) of its upper level.

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