Table 5.
Main properties of the fitting lines to DGR within r25 as a function of 12 + log(O/H) shown in Fig. 9, assuming a constant and a metallicity-dependent XCO and taking into account the total available metallicity range and the restricted one (neglecting the high-metallicity bin).
| x | y | m(1) | q(1) | R(1) | XCO | 12 + log(O/H) (2) |
|---|---|---|---|---|---|---|
| 12 + log(O/H) | log(dust/tot gas)r25 | 0.34 ± 0.15 | −5.49 ± 1.32 | 0.64 | const. (3) | 8.00–9.50 |
| 12 + log(O/H) | log(dust/tot gas)r25 | 0.74 ± 0.17 | −8.88 ± 1.45 | 0.87 | const. (3) | 8.00–8.90 |
| 12 + log(O/H) | log(dust/tot gas)r25 | 0.70 ± 0.10 | −8.67 ± 0.86 | 0.94 | Z-dep. (4) | 8.00–9.50 |
| 12 + log(O/H) | log(dust/tot gas)r25 | 0.99 ± 0.09 | −11.09 ± 0.78 | 0.98 | Z-dep. (4) | 8.00–8.90 |
Notes.
Slope, intercept, and Pearson correlation coefficients of the relationships shown in Fig. 9.
XCO value from Bolatto et al. (2013).
Metallicity-dependent XCO value according to the calibration of Amorín et al. (2016).
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