Joaquín Armijo, Carlton Baugh, Nelson Padilla, Peder Norberg, and Christian Arnold
Using N-body simulations
Lbox = 1536 Mpc / h
The modified gravity light-cone simulation project
Using N-body simulations
Lbox = 1536 Mpc / h
The modified gravity light-cone simulation project
Using N-body simulations
The modified gravity light-cone simulation project
Lbox = 768 Mpc / h
Let's increase the mass resolution fixing the same number of particles (decreasing the size of the box)
The halo mass function and simulation resolution
z = 0
100 particles
The halo mass function and simulation resolution
z = 0
The halo mass function and simulation resolution
z = 0
Extending the resolution of the halo catalogue
z = 0
The halo occupation distribution
z = 0
Five parameters HOD from Zheng et al. (2007)
Keeping only central galaxies for this excercise. Two parameters:
The fraction of missing galaxies.
z = 0
Halo mass
Luminosity Function * HOD
The 2PCF of low and high resolution simulations
z = 0
Armijo et al. 2021 (submitted)
Typical weights: ~1.5
Typical weights: 12.0
Using haloes with at least 11 particles
z = 0
The 2PCF of low and high resolution simulations
Armijo et al. 2021 (submitted)
Typical weights: ~1.5
Typical weights: 12.0
Using haloes with at least 11 particles
Recovering number densities
Number density
Armijo et al. 2021
The nature of sub-resolution haloes
Counting particles in cell
Random point distribution
The nature of sub-resolution haloes
Halo 3D densities
X [Mpc/h]
Y [Mpc/h]
Halo density
The nature of sub-resolution haloes
Halo densities
Armijo et al. 2021
Low mass haloes are biased to high densities on low-resolution simulations
Armijo et al. 2021
The nature of sub-resolution haloes
Halo densities
Low mass haloes are biased to high densities on low-resolution simulations
Summary and Conclusions
Thank you!
jarmijotorres
https://jarmijotorres.github.io/Joaquin.Armijo.Torres/