Results of the RADEX analysis of the CO3−2/CO2−1, CO3−2/HCN 1−0, and CO3−2/HCO+ 1−0 brightness temperature ratios. The white curves and associated numbers indicate TB ratios toward the Eye of the Medusa of 2 and 2.25 for CO3−2/CO2−1, 25 for CO3−2/HCN 1−0, and 20 for CO3−2/HCO+ 1−0, respectively. The range in H2 densities and kinetic temperatures are the same for each of the three plots. The CO column density (N(CO)/Δv) is 1016 cm-2. The color scheme indicates possible brightness temperature ratios for each combination of tracers.
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