Fig. 7

Td–AV fit following the parametric expression published by Hocuk et al. (2017) for the observed cuts: TMC 1-CP in panel a, TMC 1-NH3 in panel b and TMC 1-C in panel c. In panel d, we try to fit all the positions from the three cuts together. For AV < 7.5 mag, the best fit isfound for χUV ~ 3. For AV > 7.5 mag, the best fit corresponds to χUV ~ 10. The average value of χUV ~ 6.5 is found to provide the best fit for the whole TMC 1 region.
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