Uchuu Simulations
Uchuu is a 2.1 trillion N-body simulation that uses Planck cosmology. It was produced with the GreeM code (Ishiyama et al. 2009, Ishiyama et al. 2012) at the ATERUI II supercomputer in Japan. Another two boxes were run with the same resolution but different volumes (mini-Uchuu, micro-Uchuu); and a third one with higher resolution (Shin-Uchuu). The Uchuu Project has also made use of the skun6@IAA computer facility in Spain. More details are given in our Uchuu Data Release Publications.
Uchuu public data access is available only through this Skies & Universes site.
cosmological parameters
Planck2015 (table 4, rightmost column)
Ω_m = 0.3089 Ω_L = 0.6911 h = 0.6774
σ_8 = 0.8159 Ω_b = 0.0486 ns = 0.9667
Linear Power Spectrum
z_init = 127 (2LPT)
|
Simulation Name |
Lbox Mpc/h |
Npart |
Mpart Msun/h |
Snap |
Halo |
Tree |
DM |
Gal |
|
Uchuu |
2000 |
12800^3 |
3.27e8 |
Yes |
Yes |
Yes |
Yes |
|
|
mini-Uchuu |
400 |
2560^3 |
3.27e8 |
Yes |
Yes |
Yes |
Soon |
|
|
micro-Uchuu |
100 |
640^3 |
3.27e8 |
Yes |
Yes |
Yes |
Soon |
|
|
Shin-Uchuu |
140 |
6400^3 |
8.97e5 |
Yes |
Yes |
Yes |
Yes |
|
|
Uchuu1000Pl18 |
1000 |
6400^3 |
3.29e8 |
Yes |
Yes |
Yes |
Yes |
|
|
Uchuu1000Pl18LowS8 |
1000 |
6400^3 |
3.29e8 |
Yes |
Yes |
Yes |
Soon |
|
|
Uchuu1000Pl18VeryLowS8 |
1000 |
3200^3 |
2.63e9 |
Yes |
Yes |
Yes |
Soon |