Table 2
Best-fit parameters for the full sample, for the quiescent galaxies classified with the two-colour criteria and for the star-forming galaxies.
| log (ℳcomplete) | log (ℳ∗) |
|
α 1 |
|
α 2 | log (ρ∗) | |||
| Type | z-bin | Number | (ℳ⊙) | (ℳ⊙) | (10-3 Mpc-3) | (10-3 Mpc-3) | (ℳ⊙ Mpc-3) | ||
|
|
|||||||||
| Full | 0.2–0.5 | 26 650 | 7.93 | 10.88 |
1.68 |
–0.69 |
0.77 |
–1.42 |
|
| sample | 0.5–0.8 | 29 418 | 8.70 | 11.03 |
1.22 |
–1.00 |
0.16 |
–1.64 |
|
| 0.8–1.1 | 27 590 | 9.13 | 10.87 |
2.03 |
–0.52 |
0.29 |
–1.62 |
|
|
| 1.1–1.5 | 29 383 | 9.42 | 10.71 |
1.35 |
–0.08 |
0.67 |
–1.46 |
|
|
| 1.5–2.0 | 20 529 | 9.67 | 10.74 |
0.88 |
–0.24 |
0.33 |
–1.6 |
|
|
| 2.0–2.5 | 7162 | 10.04 | 10.74 |
0.62 |
–0.22 |
0.15 |
–1.6 |
|
|
| 2.5–3.0 | 3143 | 10.24 | 10.76 |
0.26 |
–0.15 |
0.14 |
–1.6 |
|
|
| 3.0–4.0 | 1817 | 10.27 | 10.74 |
0.03 |
0.95 |
0.09 |
–1.6 |
|
|
|
|
|||||||||
| Quiescent | 0.2–0.5 | 3878 | 8.24 | 10.91 |
1.27 |
–0.68 |
0.03 |
–1.52 |
7.986 |
| galaxies | 0.5–0.8 | 3910 | 8.96 | 10.93 |
1.11 |
–0.46 |
7.920 |
||
| 0.8–1.1 | 5591 | 9.37 | 10.81 |
1.57 |
–0.11 |
7.985 |
|||
| 1.1–1.5 | 3769 | 9.60 | 10.72 |
0.70 |
0.04 |
7.576 |
|||
| 1.5–2.0 | 1612 | 9.87 | 10.73 |
0.22 |
0.10 |
7.093 |
|||
| 2.0–2.5 | 800 | 10.11 | 10.59 |
0.10 |
0.88 |
6.834 |
|||
| 2.5–3.0 | 240 | 10.39 | 10.27 |
0.003 |
3.26 |
6.340 |
|||
|
|
|||||||||
| Star-forming | 0.2–0.5 | 23 124 | 7.86 | 10.60 |
1.16 |
0.17 |
1.08 |
–1.40 |
|
| galaxies | 0.5–0.8 | 26 830 | 8.64 | 10.62 |
0.77 |
0.03 |
0.84 |
–1.43 |
|
| 0.8–1.1 | 24 184 | 9.04 | 10.80 |
0.50 |
–0.67 |
0.48 |
–1.51 |
|
|
| 1.1–1.5 | 29 934 | 9.29 | 10.67 |
0.53 |
0.11 |
0.87 |
–1.37 |
|
|
| 1.5–2.0 | 19 570 | 9.65 | 10.66 |
0.75 |
–0.08 |
0.39 |
–1.6 |
|
|
| 2.0–2.5 | 6597 | 10.01 | 10.73 |
0.50 |
–0.33 |
0.15 |
–1.6 |
|
|
| 2.5–3.0 | 3035 | 10.20 | 10.90 |
0.15 |
–0.62 |
0.11 |
–1.6 |
|
|
| 3.0–4.0 | 1829 | 10.26 | 10.74 |
0.02 |
1.31 |
0.10 |
–1.6 |
|
|
Notes. We adopt a double Schechter function (see Eq. (2)) convolved with stellar mass uncertainties (see Appendix A) to fit the Vmax data points. A simple Schechter function is considered for the quiescent sample at z > 0.5. The slope α2 is set at − 1.6 for star-forming galaxies and the full sample at z > 1.5. We allow the slope to vary between − 1.9 < α2 < − 1.4 to compute the mass density uncertainties.
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