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Fig. 14

image

H2 number density-dust temperature for the five inner shells of L1689B with a size of 1 kau each. The crosses mark the ranges for which all profiles can be fitted within the calibration errors simultaneously. The dots represent the mean values from R+14. For the inner shell, n-T pairs are possible along an exponential function (A = 6.4 × 1014 m-3 and a = 1.4 K). The grey lower limit indicates densities which are compatible with line emission modeling as mentioned in Sect. 5.

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