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Table 3

Mean values and standard deviations of the molecular gas-optical surface and stellar mass relations (Figs. 13).

XCO constant XCO lum.dep.
x y Sample ⟨ x ⟩ ⟨ y ⟩ ⟨ y ⟩ N

log[πr24.5(g)2] logM(H2) all 1.79 ± 0.19 8.48 ± 0.25 8.60 ± 0.25 20
2.26 ± 0.13 8.59 ± 0.44 8.61 ± 0.38 47
2.69 ± 0.13 9.15 ± 0.53 8.98 ± 0.46 24
3.26 ± 0.16 9.51 ± 0.17 9.19 ± 0.09 5

logMstar logM(H2) all 9.15 ± 0.10 8.37 ± 0.39 8.53 ± 0.41 16
9.48 ± 0.13 8.45 ± 0.21 8.53 ± 0.18 34
9.99 ± 0.14 8.93 ± 0.39 8.82 ± 0.37 30
10.51 ± 0.12 9.48 ± 0.50 9.21 ± 0.48 13

logMstar logM(H2) Kuno 10.02 ± 0.11 9.38 ± 0.26 9.23 ± 0.22 3
10.41 ± 0.09 9.75 ± 0.24 9.51 ± 0.21 5

Notes. Scaling relations for unperturbed (Hi − def ≤ 0.4) spiral galaxies determined considering Hi and CO non-detections as detections.

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