Table 4
Observed column densities of H
in the CMZ in (1, 1), (1, 0), (3, 3), and (2, 2) levels.
| Source | N(1, 1) | N(1, 0) | N(3, 3) | N(2, 2) |
|
|
||||
| GC IRS 21 | 28.1 ± 12.3 | 9.0 ± 4.4 | 24.2 ± 12.1 | <8.3 |
| GC IRS 3 | 10.8 ± 2.1 | 3.4 ± 1.3 | 8.4 ± 1.9 | <1.6 |
| GC IRS 1W | 18.1 ± 3.8 | 7.9 ± 2.4 | 11.7 ± 3.0 | <3.3 |
| GCS 3-2 | 17.0 ± 1.7 | 4.6 ± 0.8 | 9.8 ± 1.6 | <3.0 |
| J1743 | 12.8 ± 1.9 | – | 5.7 ± 2.2 | <2.1 |
| J1747 | 6.0 ± 0.7 | – | 4.3 ± 1.3 | <0.8 |
| NHS 21 | 8.9 ± 2.2 | 3.7 ± 1.5 | 5.6 ± 1.4 | <2.3 |
| NHS 22 | 16.9 ± 5.6 | 7.9 ± 3.5 | 9.7 ± 2.7 | <3.6 |
| NHS 25 | 11.4 ± 5.9 | 4.0 ± 3.8 | 7.4 ± 5.3 | <3.9 |
| NHS 42 | 17.7 ± 5.1 | 8.4 ± 4.1 | 8.6 ± 4.1 | <4.0 |
| Mean | 14.5 ± 0.8 | 6.5 ± 1.1 | 8.6 ± 1.0 | |
Notes.Column densities are expressed in 1014 cm-2.
Reference. J1747 corresponds to 2MASS J17470898-2829561 and J1743 to 2MASS J17432173-2951430. Data are from Goto et al. (2008) for all lines of sight except for J1747 and J1743 for which data come from Goto et al. (2011). The GCS 3-2 line of sight is not taken into account to compute the weighted mean value (see text).
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