Fig. 15

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Comparison of model reproduction between 12C/13C ratios of 30 (blue) and 10 (magenta). The vertical axes represent Tmb (K), while the horizontal axes are LSR velocity (km s−1). Note how 12CO and 13CO lines (top panels) can only be successfully reproduced with a 12C/13C ratio of 30, while H12CO+ and H13CO+ lines (bottom panels) require a value of ten.
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