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Table 3

Source properties by their mid-IR association.

Hi-GAL Mid-IR Temperature1 High column temperature2 Column density1 Low temperature column3
field classification (K) (K) (×1022 cm-2) (×1022 cm-2)
ℓ = 30° Dark (mIRd) 21 19 0.50 0.57
Neutral (mIRn) 25 23 0.25 0.32
Bright (mIRb) 34 31 0.23 0.49
ℓ = 59° Dark (mIRd) 16 14 0.22 0.23
Neutral (mIRn) 20 15 0.11 0.12
Bright (mIRb) 30 24 0.08 0.15

Notes. 

(1)

The values given are the median of all valid values in the map.

(2)

The median temperature of all valid points in the map with N(H2)  > 1022 cm-2 in the ℓ = 30° field and N(H2)  > 0.3  ×  1022 cm-2 in the ℓ = 59° field (to account for the fact that column densities in the ℓ = 59° field are about 1/3 of that in the ℓ = 30° field).

(3)

The median column density of all valid points in the map with T  < 25 K.

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