Table 1
Physical properties of the three high redshift disk models (G1, G2, G3).
| G1 | G2 | G3 | ||
|
|
||||
| Virial quantities | ||||
| 1. | log10 (Mstars [M⊙] ) | 10.60 | 10.20 | 9.80 |
| 2. | R200 [kpc] | 99.8 | 73.4 | 54.0 |
| 3. | M200 [1010M⊙] | 102.4 | 40.8 | 16.2 |
| 4. | V200 [km s-1] | 210.1 | 154.6 | 113.7 |
|
|
||||
| Scalelengths [kpc] | ||||
| 5. | r stars | 2.28 | 1.62 | 1.15 |
| 6. | r gas | 3.71 | 2.64 | 1.88 |
| 7. | h stars | 0.46 | 0.32 | 0.23 |
| 8. | h gas | 0.19 | 0.13 | 0.09 |
| 9. | r bulge | 0.46 | 0.32 | 0.23 |
| 10. | r halo | 19.95 | 14.68 | 10.80 |
| 11. | r cut,stars | 11.13 | 7.92 | 5.63 |
| 12. | r cut,gas | 11.13 | 1.94 | 1.38 |
| 13. | h cut,stars | 2.73 | 7.92 | 5.63 |
| 14. | h cut,gas | 0.56 | 0.40 | 0.28 |
| 15. | r cut,bulge | 2.28 | 1.62 | 1.151 |
| 16. | r cut,halo | 49.88 | 36.69 | 26.99 |
| 17. | r metal | 3.71 | 2.64 | 1.88 |
|
|
||||
| Mass fractions | ||||
| 18. | f g | 0.65 | 0.65 | 0.65 |
| 19. | f b | 0.10 | 0.10 | 0.10 |
| 20. | m d | 0.10 | 0.10 | 0.10 |
|
|
||||
| Collision-less particles [106] | ||||
| 21. | N disk | 2.00 | 0.80 | 0.32 |
| 22. | N halo | 2.00 | 0.80 | 0.32 |
| 23. | N bulge | 0.22 | 0.09 | 0.04 |
|
|
||||
| Various quantities | ||||
| 24. | Q min | 1.5 | 1.5 | 1.5 |
| 25. | c | 5 | 5 | 5 |
| 26. | Z core | 0.705 | 0.599 | 0.479 |
Notes. All the quantities based on the cosmology use ΩΛ = 0.7 and Ωm = 0.3 and z = 2. 1. Mstars is stellar mass. 2. Virial radius (radius at which the density of the halo reaches 200 times the critical density of the Universe). 3. Cumulated mass at the virial radius. 4. Circular velocity at the virial radius. 5. Stellar disk scalelength. 6. Gaseous disk scalelength. 7. Stellar disk scaleheight. 8. Gas disk scaleheight. 9. Stellar bulge scalelength. 10. Dark matter halo scalelength. 11. Stellar disk radial cut. 12. Stellar disk azimuthal cut. 13. Gas disk radial cut. 14. Gas disk azimuthal cut. 15. Stellar bulge radial cut. 16. Dark matter halo radial cut. 17. Metallicity scalelength. 18. Gas fraction. 19. Stellar bulge mass fraction. 20. Baryonic mass fraction: a mass fraction md of M200 mass is considered to be in a disk. 21. Number of particles in stellar disk. 22. Number of particles in dark matter halo. 23. Number of particles in stellar bulge. 24. Minimal value for the Toomre stability parameter in the initial conditions. 25. Concentration parameter of the halo. 26. Fraction of metals in the gas at the center of the galaxy in units of solar metallicity.
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