Fig. 1.
Visualization of the temperature dependence of reemitted photon packages when using the (difference) spectrum dBλ/dT. Top: difference spectrum dBλ/dT that is normalized for each temperature value Tdust to a maximum value of 1 is displayed. Bottom: effective extinction cross-section Ĉext (see Eq. (4); left axis) and the optical depth
(see Eq. (3); right axis) as a function of the dust temperature Tdust. For details, see Sect. 2.2.
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