Open Access

Table 7.

Physical parameters from molecular gas modeling.

Name Gas parameters Pressure Fractional Model combined intensity ratios
Density Temperature Gradient parameter emission mass 12CO 12CO/ 13CO
n( H2) Tkin NCO/dv nT 12CO(1–0) 12CO(6–5) (6–5)/(1–0) J = 1–0 J = 6–5
(cm−3) (K) (cm−2/km s−1) (cm−3 K)
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
NGC 253 1e5 30 1.5e17 3e6 0.08 0.97 0.30 0.48 13 13
3e3 150 3e16 4.5e5 0.92 0.03 0.70
NGC 613 1e5 60 1e17 6e6 0.15 0.97 0.23 0.21 11 12
1e3 30 6e16 3e4 0.85 0.03 0.77
NGC 660 5e4 60 1e17 3e6 0.12 0.84 0.19 0.15 13 16
1e3 60 6e16 6e4 0.88 0.16 0.81
NGC 1068 1e5 20 3e17 2e6 0.03 0.02 0.02 0.37 12 27
3e3 150 3e17 4.5e5 0.97 0.98 0.98
NGC 1097 1e5 60 6e16 6e6 0.09 0.87 0.06 0.16 10 13
5e2 60 1e17 3e4 0.91 0.13 0.94
NGC 1365 5e4 60 1e17 3e6 0.12 0.84 0.19 0.15 13 16
1e3 60 6e16 6e4 0.88 0.16 0.81
IC 342 1e5 20 1e17 2e6 0.88 0.91 0.96 0.21 10 17
3e3 150 3e16 4.5e5 0.12 0.10 0.04
NGC 1808 1e5 60 3e16 6e6 0.09 0.67 0.03 0.28 13 33
1e3 150 1e17 1.5e5 0.91 0.33 0.97
NGC 2559 1e5 60 6e16 6e6 0.09 0.87 0.06 0.16 10 13
5e2 60 1e17 3e4 0.91 0.13 0.94
NGC 3034 1e5 100 1e17 1e7 0.07 0.74 0.07 0.27 12 16
1e3 100 1e17 1e5 0.93 0.26 0.93
NGC 4945 1e5 25 1e17 2.5e6 0.52 0.92 0.67 0.20 16 20
1e3 100 3e16 1e5 0.48 0.08 0.33
NGC 5236 1e5 20 1e17 2e6 0.46 0.84 0.58 0.12 13 27
1e3 100 3e16 1e5 0.54 0.16 0.42

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.