Simulations

Available simulations

AlphaQ

Cosmology

\(\Omega_m\) = 0.26479
\(\Omega_b\) = 0.04479
\(\Omega_\Lambda\) = 0.73521
\(\sigma_8 = 0.8\)

Simulation Volume

\(L = 256 \; h^{-1}\mathrm{Mpc}\)
NP = 1024
\(m_p = 1.1483e+09 \; h^{-1}M_\odot\)
\(z_\mathrm{start} = 200\)
\(n_\mathrm{steps} = 500\)

BorgCube

Cosmology

\(\Omega_m\) = 0.26479
\(\Omega_b\) = 0.04479
\(\Omega_\Lambda\) = 0.73521
\(\sigma_8 = 0.8\)

Simulation Volume

\(L = 800 \; h^{-1}\mathrm{Mpc}\)
NP = 2304
\(m_p = 3.0764e+09 \; h^{-1}M_\odot\)
\(z_\mathrm{start} = 200.0\)
\(n_\mathrm{steps} = 500\)

DiscoveryLCDM

Cosmology

\(\Omega_m\) = 0.30690
\(\Omega_b\) = 0.04870
\(\Omega_\Lambda\) = 0.69310
\(\sigma_8 = 0.8135\)

Simulation Volume

\(L = 1019.55 \; h^{-1}\mathrm{Mpc}\)
NP = 6720
\(m_p = 2.9747e+08 \; h^{-1}M_\odot\)
\(z_\mathrm{start} = 200.0\)
\(n_\mathrm{steps} = 500\)

DiscoveryW0WA

Cosmology

\(\Omega_m\) = 0.34388
\(\Omega_b\) = 0.05358
\(\Omega_\Lambda\) = 0.65612
\(\sigma_8 = 0.7917\)

Simulation Volume

\(L = 969.9 \; h^{-1}\mathrm{Mpc}\)
NP = 6720
\(m_p = 2.8694e+08 \; h^{-1}M_\odot\)
\(z_\mathrm{start} = 200.0\)
\(n_\mathrm{steps} = 500\)

Farpoint

Cosmology

\(\Omega_m\) = 0.30964
\(\Omega_b\) = 0.04897
\(\Omega_\Lambda\) = 0.69036
\(\sigma_8 = 0.8102\)

Simulation Volume

\(L = 1000 \; h^{-1}\mathrm{Mpc}\)
NP = 12288
\(m_p = 4.6317e+07 \; h^{-1}M_\odot\)
\(z_\mathrm{start} = 200.0\)
\(n_\mathrm{steps} = 500\)

FarpointSV

Cosmology

\(\Omega_m\) = 0.30964
\(\Omega_b\) = 0.04897
\(\Omega_\Lambda\) = 0.69036
\(\sigma_8 = 0.8102\)

Simulation Volume

\(L = 250 \; h^{-1}\mathrm{Mpc}\)
NP = 3072
\(m_p = 4.6317e+07 \; h^{-1}M_\odot\)
\(z_\mathrm{start} = 200.0\)
\(n_\mathrm{steps} = 500\)

LastJourney

Cosmology

\(\Omega_m\) = 0.30964
\(\Omega_b\) = 0.04897
\(\Omega_\Lambda\) = 0.69036
\(\sigma_8 = 0.8102\)

Simulation Volume

\(L = 3400 \; h^{-1}\mathrm{Mpc}\)
NP = 10752
\(m_p = 2.7174e+09 \; h^{-1}M_\odot\)
\(z_\mathrm{start} = 200.0\)
\(n_\mathrm{steps} = 500\)

LastJourneySV

Cosmology

\(\Omega_m\) = 0.30964
\(\Omega_b\) = 0.04897
\(\Omega_\Lambda\) = 0.69036
\(\sigma_8 = 0.8102\)

Simulation Volume

\(L = 250 \; h^{-1}\mathrm{Mpc}\)
NP = 1024
\(m_p = 1.2506e+09 \; h^{-1}M_\odot\)
\(z_\mathrm{start} = 200.0\)
\(n_\mathrm{steps} = 500\)

OuterRim

Cosmology

\(\Omega_m\) = 0.26479
\(\Omega_b\) = 0.04479
\(\Omega_\Lambda\) = 0.73521
\(\sigma_8 = 0.8\)

Simulation Volume

\(L = 3000.0 \; h^{-1}\mathrm{Mpc}\)
NP = 10240
\(m_p = 1.8479e+09 \; h^{-1}M_\odot\)
\(z_\mathrm{start} = 200.0\)
\(n_\mathrm{steps} = 500\)

References

class haccytrees.simulations.Cosmology(name: str, Omega_m: float, Omega_b: float, Omega_L: float, h: float, ns: float, s8: float, w0: float = -1.0, wa: float = 0.0)[source]
Parameters:

  • name (str)

  • Omega_m (float)

  • Omega_b (float)

  • Omega_L (float)

  • h (float)

  • ns (float)

  • s8 (float)

  • w0 (float)

  • wa (float)

hubble_parameter(a)[source]

redshift dependend Hubble parameter, H(a)

property hubble_time

Hubble time in Gyr (1/H0)

lookback_time(a)[source]

Lookback time in Gyr from a=1

virial_overdensity(a)[source]

Bryan & Norman Delta_vir

class haccytrees.simulations.Simulation(name: str, nsteps: int, zstart: float, zfin: float, rl: float, ng: int, np: int, cosmo: haccytrees.simulations.Cosmology, cosmotools_steps: List[int], fullalive_steps: List[int])[source]
Parameters:

  • name (str)

  • nsteps (int)

  • zstart (float)

  • zfin (float)

  • rl (float)

  • ng (int)

  • np (int)

  • cosmo (Cosmology)

  • cosmotools_steps (List[int])

  • fullalive_steps (List[int])