Table A.3
KS test results on cloud properties for spiral arm and inter-arm distributions with cloud-to-spiral-arm association performed with R19 models
| Property | Full | ATLASGAL | HMSF | |||
|---|---|---|---|---|---|---|
| pval | Dstat | pval | Dstat | pval | Dstat | |
| Science sample | ||||||
| Reff | < 0.0001 | 0.16 | < 0.0001 | 0.24 | 0.1500 | 0.14 |
| σv | < 0.0001 | 0.06 | 0.6524 | 0.06 | 0.0177 | 0.19 |
| Mmol | < 0.0001 | 0.15 | < 0.0001 | 0.28 | 0.0549 | 0.16 |
| Σmol | 0.0969 | 0.03 | 0.0453 | 0.12 | 0.1667 | 0.14 |
| αvir | < 0.0001 | 0.16 | < 0.0001 | 0.23 | 0.0187 | 0.19 |
| AR | < 0.0001 | 0.08 | 0.1364 | 0.10 | 0.8472 | 0.07 |
| Complete distance-limited sample | ||||||
| Reff | 0.8195 | 0.04 | 0.1435 | 0.17 | 0.4913 | 0.14 |
| σv | 0.1559 | 0.08 | 0.9045 | 0.08 | 0.3692 | 0.16 |
| Mmol | 0.1484 | 0.08 | 0.0390 | 0.20 | 0.6764 | 0.12 |
| Σmol | 0.0217 | 0.10 | 0.0594 | 0.19 | 0.7078 | 0.12 |
| αvir | 0.0851 | 0.08 | 0.0333 | 0.21 | 0.2217 | 0.18 |
| AR | 0.0008 | 0.13 | 0.0524 | 0.19 | 0.9925 | 0.07 |
Notes. p−values (pval) and statistics (Dstat) from the KS test comparing the distributions of cloud properties (from top to bottom: effective radius Reff, velocity dispersion σv, molecular gas mass Mmol, molecular gas mass surfacedensity Σmol, virial parameter αvir, and aspect ratio AR) in the spiral arms (SA) with respect to the inter-arm regions (IA). The analysis is performed separately for the full sample, for the cloud sample that contains at least one ATLASGAL source, and for the cloud sample that contains clouds with a HMSF signpost.
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