Table 9
Physical and chemical characteristics of the five sub-regions within the CND as derived by a RADEX analysis of only the high resolution ALMA ratios, and using the lower limit of the gas density as derived by the CO RADEX fitting as a constraint.
| Region | Set | N(CO)/N(HCO+) | N(CO)/N(HCN) | N(HCN)/N(HCO+) | N(CO)/N(CS) | n(H2) (cm-3) | Tk (K) | |
|
|
||||||||
| E Knot | 7 | 1(6) | 1(4) | 1(2) | 1(5) | 5 × 105–106 | 60 | |
| 2 | 5(5) | 5(4) | 10 | 5(3) | >106 | 60 | ||
| W Knot | 2 | 5(5) | 5(4) | 10 | 5(3) | >5 × 106 | 60–100 | |
| 6 | 1(5) | 1(4) | 10 | 1(4) | 2 × 106 | 150 | ||
| AGN | 4 | 1(4) | 1(3) | 10 | 1(3) | >3 × 106 | 80–250 | |
| CND-N | 3 | 1(5) | 1(4) | 10 | 1(4) | 3 × 106 | 100–160 | |
Notes. For the parameters of the sets (Col. 2), see Table 7. a(b) Stands for a × 10b.
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.