MODERN COSMOLOGY
Spatial and velocity biases 447 Figure 15.11.Density profiles for a cluster with mass 2. 5 × 1014 h−^1 M. Top panel: Dark matter ...
448 Numerical simulations in cosmology (a) (b) Figure 15.12. (a) Two-point velocity bias. (b)Top panel: 3D rms velocity for halo ...
Spatial and velocity biases 449 references see Col ́ınet al(2000). Two-particle or pairwise velocity bias (PVB) measures the rel ...
450 Numerical simulations in cosmology Figure 15.13. One-point velocity bias for three Virgo-type clusters in the simulation. Ce ...
Dark matter halos 451 The velocity bias in clusters is difficult to measure because it is small. Figure 15.12 may be misleading ...
452 Numerical simulations in cosmology (.100 kpc) scales. This interest was first induced by indications that the observed rotat ...
Dark matter halos 453 dwarf and low-surface-brightness (LSB) galaxies. Based on these comparisons, we argued that there does not ...
454 Numerical simulations in cosmology CDM halos appear to be too concentrated (Navarro and Swaters 2000, McGaugh et al2000) com ...
Dark matter halos 455 Table 15.3.Comparison of the NFW and Mooreet alprofiles. Parameter NFW Mooreet al Density ρ=x( 1 ρ+^0 x) 2 ...
456 Numerical simulations in cosmology Figure 15.14. Comparison of the Mooreet aland NFW profiles. Each profile is normalized to ...
Dark matter halos 457 actual density profiles. Moreover, for galaxy-mass halos the difference sets in at a rather small radius ( ...
458 Numerical simulations in cosmology Figure 15.15.The mass function for distinct halos (top) and for sub-halos bottom). Raw co ...
Dark matter halos 459 Figure 15.16.Velocity functions for isolated halos (squares) and for halos in groups and clusters. Halos w ...
460 Numerical simulations in cosmology Figure 15.17.Correlation of the characteristic densityρ 0 and radiusr 0 for the dwarf and ...
Dark matter halos 461 (a) (b) Figure 15.18.(a) Dependence of concentration with mass for distinct halos. The bold full curve is ...
462 Numerical simulations in cosmology parameter β(r)= 0. 15 + 2 x x^2 + 4 , x=r/rvir. (15.19) 15.4.4 Halo profiles: convergence ...
Dark matter halos 463 Table 15.4.Parameters of halos. zMvir Rvir Vmax Npart mpart Form. res.CNFWRelEr RelEr M /h kpc h−^1 km s−^ ...
464 Numerical simulations in cosmology of the halo parameters either on the virial radius scale or around the maximum of the cir ...
Dark matter halos 465 (a) (b) Figure 15.19. (a) Density profiles of halo A simulated with different mass and force resolutions. ...
466 Numerical simulations in cosmology Figure 15.20.Fits of the NFW and Mooreet alhalo profiles to the profile of halo A 1 (bott ...
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