Table 2
Results of analysis of [C ii], CO(2–1) and H i spectra for selected positions in the central region.
| Offset | υmin | υmax | I([C ii]) | I(CO(2–1) | N(H i) | Ires([C ii]) |
|
a | b |
| (′′, ′′) | km s-1 | km s-1 | K km s-1 | K km s-1 | 1021 cm-2 | K km s-1 | |||
|
|
|||||||||
| (–21, 38) | –210 | –160 | 4.64 ± 0.81 | 1.3 | 1.4 | 1.78 | 0.38 | 0.4 | 3.1e-3 |
| (–12, –28) | –181 | –129 | 8.25 ± 0.61 | 2.0 | 1.9 | 4.04 | 0.49 | 0.4 | 3.4e-3 |
| (–8, –19) | –186 | –135 | 6.02 ± 0.60 | 2.1 | 1.2 | 3.60 | 0.60 | 0.3 | 2.8e-3 |
| (–4, –9) | –198 | –121 | 12.64 ± 0.79 | 2.5 | 1.6 | 4.81 | 0.38 | 0.9 | 6.3e-3 |
| (0, 0) | –189 | –140 | 8.36 ± 0.60 | 3.1 | 2.1 | 1.90 | 0.23 | 0.8 | 3.5e-3 |
| (4, 9) | –192 | –148 | 11.36 ± 0.64 | 5.9 | 2.4 | 3.03 | 0.27 | 1.1 | 1.4e-3 |
| (7, 27) | –220 | –155 | 12.25 ± 1.00 | 3.3 | 2.1 | 6.51 | 0.53 | 1.1 | 1.6e-3 |
| (8, 19) | –197 | –164 | 9.04 ± 0.50 | 3.8 | 2.0 | 5.36 | 0.59 | 0.8 | 6.7e-4 |
| (12, 28) | –206 | –165 | 10.47 ± 0.63 | 2.7 | 1.7 | 6.31 | 0.60 | 1.2 | 1.0e-3 |
| (16, 23) | –213 | –163 | 9.64 ± 0.83 | 1.7 | 1.6 | 6.02 | 0.62 | 1.6 | 9.4e-4 |
| (62, 4) | –193 | –135 | 15.43 ± 1.08 | 6.2 | 1.7 | 1.68 | 0.11 | 1.3 | 5.9e-3 |
| (71, 0) | –190 | –145 | 7.77 ± 0.85 | 3.9 | 1.4 | 2.88 | 0.37 | 0.9 | 1.8e-3 |
Notes. The quantities I([C ii]), I(CO(2–1) and N(H i) = 1.82 × 1018I(H i) (with I(H i) in K km s-1) are estimated over the velocity range υmin to υmax. Ires([C ii]), a, and b are obtained from fitting the [C ii] spectrum as a combination of CO(2–1) and H i spectra, as described in Sect. 6.
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