Table 1.
Correlation parameters obtained for the KS laws derived for different tracers and spatial scales.
| HCN(1–0) | HCO+(1–0) | CO(1–0) | CO(3–2) | Dust | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Scale (pc) | N | ρps | ρsp | N | ρps | ρsp | N | ρps | ρsp | N | ρps | ρsp | N | ρps | ρsp |
| 40 | – | – | – | – | – | – | – | – | – | 0.73 ±0.03 | 0.41 | 0.38 | 3.23 ± 0.31 | 0.40 | 0.39 |
| 56 | 3.74 ± 0.22 | 0.42 | 0.38 | 3.17 ± 0.14 | 0.50 | 0.45 | – | – | – | – | – | – | – | – | – |
| 100 | 2.17 ± 0.19 | 0.43 | 0.35 | 1.82 ± 0.11 | 0.54 | 0.47 | 1.78 ± 0.33 | 0.26 | 0.26 | 0.74 ± 0.05 | 0.49 | 0.46 | 0.87 ± 0.07 | 0.56 | 0.53 |
| 200 | 1.28 ± 0.19 | 0.43 | 0.38 | 1.23 ± 0.11 | 0.60 | 0.55 | 0.61 ± 0.18 | 0.27 | 0.28 | 0.68 ± 0.06 | 0.59 | 0.57 | 0.57 ± 0.05 | 0.62 | 0.61 |
| 300 | 1.27 ± 0.34 | 0.34 | 0.30 | 1.09 ± 0.14 | 0.56 | 0.53 | 0.66 ± 0.21 | 0.28 | 0.28 | 0.73 ± 0.08 | 0.59 | 0.57 | 0.52 ± 0.06 | 0.61 | 0.61 |
| 400 | 1.01 ± 0.22 | 0.45 | 0.43 | 1.17 ± 0.12 | 0.68 | 0.67 | 0.86 ± 0.46 | 0.22 | 0.17 | 0.91 ± 0.11 | 0.65 | 0.69 | 0.55 ± 0.07 | 0.60 | 0.63 |
| 500 | 1.13 ± 0.23 | 0.54 | 0.56 | 1.01 ± 0.12 | 0.69 | 0.72 | 1.33 ± 0.64 | 0.28 | 0.21 | 0.98 ± 0.10 | 0.71 | 0.72 | 0.66 ± 0.11 | 0.63 | 0.67 |
| 600 | 1.17 ± 0.19 | 0.66 | 0.74 | 1.03 ± 0.11 | 0.76 | 0.79 | 2.16 ± 0.84 | 0.28 | 0.23 | 1.06 ± 0.11 | 0.76 | 0.77 | 0.71 ± 0.11 | 0.67 | 0.71 |
| 700 | 1.08 ± 0.12 | 0.82 | 0.85 | 0.96 ± 0.11 | 0.79 | 0.81 | 3.66 ± 1.92 | 0.30 | 0.24 | 1.31 ± 0.14 | 0.81 | 0.86 | 1.07 ± 0.17 | 0.71 | 0.76 |
Notes. We list for each gas tracer (HCN(1–0), HCO+(1–0), CO(3–2), CO(1–0), and dust continuum emission) the power-law index (N), as well as the Pearson and Spearman coefficients of the log-space representation of the KS law (ρps and ρsp, respectively) obtained for a set of seven spatial resolutions ranging from 50 to 700 pc. Values highlighted in boldface identify correlations that are noteworthy and statistically significant; these are characterised by p-values < 1% and ρps, ρsp > 0.4 as derived for an equivalent number of pixels.
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