Free Access
Table 1
H2CO LVG results.
| [para-H2CO]=10-9 | [para-H2CO]=10-10 | ||
| T kin | T kin | T turb a | |
| Position | (K) | (K) | (K) |
|
|
|||
| P1 (–75′′, –390′′) | 50 |
55 |
107 |
| P2 (–69′′, –330′′) | 75 |
80 |
55 |
| P3 (–30′′, –210′′) | 85 |
105 |
57 |
| P4 (+30′′, –60′′ | 75 |
75 |
59 |
| P6 (+135′′, 0′′) | 90 |
100 |
91 |
| P7 (+195′′, 75′′) | 85 |
95 |
111 |
| P8 (+135′′, +90′′) | 190 |
>250 | 82 |
| P9 (+60′′, +120′′/ 49 km s-1) | 125 |
140 |
86 |
| P9 (+60′′, +120′′/−4 km s-1) | 90 |
95 |
58 |
| P10 (+90′′, +135′′) | 110 |
130 |
90 |
| P12 (+150′′, +225′′/−11 km s-1) | 80 |
85 |
45 |
| P12 (+150′′, +225′′/44 km s-1) | 55 |
55 |
63 |
| P13 (+315′′, +315′′) | 85 |
95 |
66 |
| P14 (+165′′, +330′′) | 55 |
55 |
38 |
| P15 (+420′′, +435′′) | 125 |
180 |
64 |
| P16 (+165′′, +570′′) | 80 |
85 |
61 |
| P22 (+390′′, +1020′′) | 65 |
70 |
68 |
Notes.A velocity gradient of 5 km s-1 pc-1, a filling factor of unity, and the H2CO 322 → 221/303 → 202 line ratios averaged over 30″ boxes were adopted in the LVG models to derive the solutions presented in Cols. 2−3.
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.