Free Access

Table 8

CND model physical parameters.

LVG model PDR model
CND ETD CND ETD

ISM phase 1

Density n(H2)   (cm-3) 300 100 300 300
Temperature Tk (K) 25–80 100
UV radiation field G   (G0) 300 300
Column density NH   (1021   cm-2) 5–10 13

ISM phase 2

Density n(H2)   ( cm-3) 10 000 10 000 30 000 18 000
Temperature Tk (K) 25 30
UV radiation field G   (G0) 3000–30 000 10 000
Column density NH   (1021   cm-2) 2–4 13

Either ISM phase 3: PDR

Density n(H2)   ( cm-3) 550 000
UV radiation field G   (G0) 55 000
Column density NH   (1021   cm-2) 7

Or ISM phase 3: XDR

Density n(H2)   ( cm-3) 30 000
X-ray flux Fx   (erg      cm-2   s-1) 5–16
Column density NH   (1021   cm-2) 10–100

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.