Table 4.
Radii at which galaxies cross the Rmol = 1 boundary (i.e., where ΣHI ≈ ΣH2), ordered by rgal/r25.
| Galaxy | rgal/r25 | β | α | Scatter |
|---|---|---|---|---|
| (1) | (2) | (3) | (4) | |
| NGC 1512 | 0.23 | −1.70 ± 0.36 | 0.43 ± 0.11 | 0.16 |
| NGC 1566 | 0.30 | −2.40 ± 0.21 | 0.77 ± 0.09 | 0.15 |
| NGC 1672 | 0.47 | −0.87 ± 0.16 | 0.37 ± 0.09 | 0.17 |
| NGC 4535 | 0.47 | −1.70 ± 0.21 | 0.77 ± 0.08 | 0.07 |
| NGC 7496 | 0.47 | −0.56 ± 0.20 | 0.23 ± 0.12 | 0.11 |
| NGC 3511 | – | −1.00 ± 0.17 | −0.03 ± 0.12 | 0.11 |
| NGC 5068 | – | 0.17 ± 0.26 | −0.28 ± 0.17 | 0.11 |
| IC 1954 | – | −0.25 ± 0.26 | −0.11 ± 0.20 | 0.17 |
| all | 0.36 | −1.00 ± 0.07 | 0.34 ± 0.04 | 0.18 |
Notes. (1): The normalized radius rgal/r25 at which Rmol = 1. For example, ΣHI starts to dominate at rgal > 0.23 r25 for NGC 1512. (2): The slope β of the fit, and (3): The intercept α of the fit. (4): The regression intrinsic scatter.
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