Table 1
Basic parameters of the H2 column density maps of the four Berschel fields displayed in Fig. 1.
| G210 | l = 210.90° |
| b = −36.55° | |
| d = 140 ± 20pc | |
| 1px = 12″ → 0.0081 pc | |
| Δl × Δb = 1.28° × 1.22° → 3.1 pc × 3.0 pc | |
 ϵ [0.2, 7.5] × 1021 cm−2 |
|
| G300 | l = 300.86° |
| b = −9.00° | |
| d = 150 ± 30pc | |
| 1px = 12″ → 0.0087 pc | |
| Δl × Δb = 0.64° × 0.68° → 1.7 pc × 1.8 pc | |
 ϵ [0.6, 8.2] × 1021 cm−2 |
|
| G82 | l = 82.65° |
| b = −2.00° | |
 pc |
|
| 1px = 12″ → 0.036 pc | |
| Δl × Δb = 1.37° × 1.41° → 14.9 pc × 15.3 pc | |
 ϵ [2.7, 42] × 1021 cm−2 |
|
| G202 | l = 202.02° |
| b = +2.85° | |
| d = 760 ± 100 pc | |
| 1px = 12″ → 0.044 pc | |
| Δl × Δb = 1.22° × 1.17° → 16.2 pc × 15.6 pc | |
 ϵ [0.6, 58] × 1021 cm−2 |
Notes. Parameters are ordered by increasing distance: Galactic longitude, l, Galactic latitude, b, distance d (taken from Saajasto et al. 2017 for G82 and Montillaud et al. 2015 for the other fields), angular and physical sizes of a pixel (equal to one-third of the beam size), angular and physical dimensions of the map, Δl × Δb, and range of the H2 column density, 
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