Table B.1.
4D PCA results for the Bothwell et al. (2016a) sample.
| Method | PC4(1) | PC4(2) | PC4(3) | PC4(4) | PC4 | PC4 | PC3 | PC1 + PC2 |
|---|---|---|---|---|---|---|---|---|
| 12 + log(O/H) | log | log | log | std. dev. | proportion of variance | |||
| (KD02) | (Mstar/M⊙) | (SFR/M⊙ yr−1) | (MH2/M⊙) (a) | |||||
| Including the 17 high-z galaxies and 8 BCDs (166) | ||||||||
| PCA | 0.872 | −0.408 | −0.125 | 0.242 | 0.169 | 0.014 | 0.042 | 0.943 |
| PPCA | 0.905 ± 0.016 | −0.381 ± 0.018 | −0.069 ± 0.038 | 0.165 ± 0.044 | 0.182 | 0.017 | ||
| PPCA | 0.903 ± 0.017 | −0.383 ± 0.017 | −0.071 ± 0.042 | 0.167 ± 0.047 | 0.182 | 0.017 | ||
| BSPCA | 0.871 ± 0.028 | −0.404 ± 0.027 | −0.125 ± 0.042 | 0.239 ± 0.054 | 0.167 | 0.014 | ||
| BSPCA | 0.865 ± 0.033 | −0.405 ± 0.025 | −0.131 ± 0.048 | 0.249 ± 0.062 | 0.168 | 0.014 | ||
| With 8 BCDs but without the 17 high-z galaxies (149) | ||||||||
| PCA | 0.891 | −0.378 | −0.173 | 0.186 | 0.163 | 0.023 | 0.074 | 0.90 |
| PPCA | 0.908 ± 0.015 | −0.355 ± 0.020 | −0.155 ± 0.038 | 0.145 ± 0.038 | 0.173 | 0.027 | ||
| PPCA | 0.909 ± 0.015 | −0.357 ± 0.019 | −0.150 ± 0.039 | 0.142 ± 0.042 | 0.173 | 0.027 | ||
| BSPCA | 0.888 ± 0.033 | −0.374 ± 0.039 | −0.171 ± 0.046 | 0.184 ± 0.069 | 0.159 | 0.023 | ||
| BSPCA | 0.886 ± 0.032 | −0.378 ± 0.039 | −0.169 ± 0.042 | 0.188 ± 0.066 | 0.160 | 0.023 | ||
Notes. In PCA, the relative signs of the PCs are arbitrary, thus we used the same conventions for all of them; this has no bearing on the inversion of the equation of the PC with the least variance.
Here MH2 was calculated from αCO according to the exponential formulation of Wolfire et al. (2010) and Bolatto et al. (2013).
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