Table 7.
Mean values of the dust-to-gas mass ratio (separating molecular, atomic, and total gas) and dust-to-stellar gas mass ratio within r25, in logarithmic scale, as a function of the morphological stage, from T = 1 to T = 10.
| T | log(Mdust/MH2)r25(1) | log(Mdust/MH2)r25(1) | log(Mdust/MHI)r25(1) | log(Mdust/MHI)r25(1) | log(Mdust/MHI)r25(2) | log(Mdust/Mtot gas)r25(1) | log(Mdust/Mtot gas)r25(1) | log(Mdust/Mstar) (3) |
|---|---|---|---|---|---|---|---|---|
| Const. XCO | XCO–Z | with H2 | with H2 and Z | Const. XCO | XCO–Z | |||
| 1 | −1.96 ± 0.09(31) | −1.76 ± 0.15(16) | −1.70 ± 0.08(31) | −1.86 ± 0.11(16) | −1.75 ± 0.07(44) | −2.43 ± 0.07(31) | −2.38 ± 0.12(16) | −3.39 ± 0.10(45) |
| 2 | −1.80 ± 0.09 (30) | −1.58 ± 0.20 (16) | −1.63 ± 0.10 (30) | −1.75 ± 0.09 (16) | −1.62 ± 0.08 (36) | −2.36 ± 0.08 (30) | −2.30 ± 0.12 (16) | −3.33 ± 0.05 (37) |
| 3 | −1.48 ± 0.09 (36) | −1.63 ± 0.20 (31) | −1.87 ± 0.06 (36) | −1.93 ± 0.06 (31) | −1.95 ± 0.05 (59) | −2.41 ± 0.05 (36) | −2.47 ± 0.06 (31) | −3.12 ± 0.04 (59) |
| 4 | −1.57 ± 0.17 (35) | −1.50 ± 0.17 (29) | −1.95 ± 0.04 (35) | −1.99 ± 0.05 (29) | −2.00 ± 0.04 (56) | −2.34 ± 0.05 (35) | −2.41 ± 0.05 (29) | −3.00 ± 0.03 (56) |
| 5 | −1.58 ± 0.06 (41) | −1.68 ± 0.16 (40) | −2.01 ± 0.04 (41) | −2.01 ± 0.05 (40) | −2.03 ± 0.03 (61) | −2.39 ± 0.04 (41) | −2.41 ± 0.04 (40) | −2.92 ± 0.03 (61) |
| 6 | −1.32 ± 0.14 (33) | −1.74 ± 0.10 (31) | −2.11 ± 0.05 (33) | −2.12 ± 0.05 (31) | −2.08 ± 0.04 (70) | −2.44 ± 0.05 (33) | −2.52 ± 0.06 (31) | −2.75 ± 0.03 (70) |
| 7 | −1.37 ± 0.02 (19) | −1.55 ± 0.15 (18) | −2.18 ± 0.09 (19) | −2.18 ± 0.07 (18) | −2.15 ± 0.05 (37) | −2.46 ± 0.06 (19) | −2.48 ± 0.09 (18) | −2.77 ± 0.04 (37) |
| 9 | −1.32 ± 0.09 (27) | −1.80 ± 0.07 (27) | −2.14 ± 0.07 (27) | −2.14 ± 0.07 (27) | −2.17 ± 0.04 (66) | −2.52 ± 0.06 (27) | −2.58 ± 0.07 (27) | −2.83 ± 0.03 (67) |
| 1–10 | −1.52 ± 0.09 (252) | −1.65 ± 0.06 (208) | −1.90 ± 0.03 (252) | −1.99 ± 0.02 (208) | −1.96 ± 0.02 (429) | −2.41 ± 0.02 (252) | −2.45 ± 0.03 (208) | −2.94 ± 0.02 (432) |
Notes. For the molecular gas, we assume both a constant XCO (Bolatto et al. 2013) and a metallicity-dependent XCO (Amorín et al. 2016). Mean values of the ratios of all (T = 1–10) galaxies are also collected (last line). The numbers between brackets are the numbers of galaxies taken into account in the computation of mean values.
Values plotted in Fig. 8.
Values plotted in Fig. 12.
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