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Table 1

Alternative models.

Symbol Description
D Default models
L2, L3, L4 LOS longer by a factor of 2, 3, or 4
M1, M5 Higher dust opacity for n(H2) > 1000 cm−3
or n(H2) > 5000 cm−3, respectively
N Observational noise higher by a factor of five
H Internal heating sources in the model volume

Notes. For each view direction, the default models are calculated for all 18 snapshots, models L2 – L4 only for three snapshot combinations, and the others for four selected snapshots.

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