BigMDPL (bigmdpl)

Description

The Big MultiDark Planck simulation belongs to the series of MultiDark simulations with Planck cosmology. It is kin to the MDPL2 simulation, with the same cosmological parameters and particle number, but a larger box size.

Details

Box size 2.5 Gpc/h side length of the cosmological cube
Number of particles 38403 total number of dark matter particles
Mass resolution 2.359*1010 Msun/h mass of one dark matter particle
Force resolution 30 kpc/h (high z) – 10 kpc/h (low-z) physical force resolution
Initial redshift 100 redshift at which the simulation started
Cosmology
h 0.6777 Hubble parameter
ΩΛ 0.692885 density parameter for dark energy
Ωm 0.307115 density parameter for matter (dark matter+baryons)
Ωb 0.048206 density parameter for baryonic matter
n 0.96 normalization of the Power spectrum
σ8 0.8228 amplitude of mass density fluctuation in 8 Mpc/h sphere (at redshift z=0)
Other constants
G 6.67428 * 10-8 cm3 g-1 s-2 Gravitational constant (Rev. Mod. Phys. 80 (2008) 633-730)
1 Mpc 30.85677 * 1023 cm 1 Mpc in cm
Msun 1.98892 ± 0.00025 1033 g Solar mass (Physics Reports 281 (1997) 309)

Attribution

In order to properly acknowledge our efforts, we request the following paragraph to be included in the "Acknowledgements" section of any publication which makes use of the simulation data above via the CosmoSim or MultiDark database:

Acknowledgements – Database

The CosmoSim database used in this paper is a service by the Leibniz-Institute for Astrophysics Potsdam (AIP). The MultiDark database was developed in cooperation with the Spanish MultiDark Consolider Project CSD2009-00064.

Acknowledgements – Simulations

The authors gratefully acknowledge the Gauss Centre for Supercomputing e.V. (www.gauss-centre.eu) and the Partnership for Advanced Supercomputing in Europe (PRACE, www.prace-ri.eu) for funding the MultiDark simulation project by providing computing time on the GCS Supercomputer SuperMUC at Leibniz Supercomputing Centre (LRZ, www.lrz.de). The Bolshoi simulations have been performed within the Bolshoi project of the University of California High-Performance AstroComputing Center (UC-HiPACC) and were run at the NASA Ames Research Center.

More information can be found on the credit page.

Tables

Table Description
Rockstar
bigmdpl.rockstar

ROCKSTAR halo catalogue, includes halo properties for all available snapshots

Rockstar_z0
bigmdpl.rockstar_z0

ROCKSTAR halo catalogue, for z=0 only (snapnum=79)

Redshifts
bigmdpl.redshifts

Overview on snapshot numbers (snapnum) and corresponding redshifts.