[C ii] emission from galactic nuclei in the presence of X-rays

Free Access

Table 4

Galactic nucleus model parameters.

ISM	n(e)	n(H)	n(H₂ )	T _kin	η ^a	Mass
Component	cm^-3	cm^-3	cm^-3	K		M_⊙

HIM	0.001	0	0	10⁵	0.15	3 × 10²
WIM	10	0	0	8000	0.80	10⁶
H i clouds	0.1	100	0	100	0.03	5 × 10⁵
CO clouds	0	0	10⁴	50	0.0125	6 × 10⁷
PDR	3.5	0	10³	100	0.002^b	2 × 10⁶
DIS	20	0	0	8000	0.003	10⁴

Notes.

^(a)

The volume filling factor η is dimensionless, and the sum for the various does not add up exactly to one because of roundoff.

^(b)

We consider a range of values from 0.001 to 0.003, with 0.002 in the Table representing an intermediate value.

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.