Clues3_LGGas

This simulation belongs to the simulations grouped as Box 64 – 186592 at the CLUES webpage.

It is a resimulation of the high resolution region (~ 2 Mpc/h radius) around the most massive dark matter halos (M31, Milky Way).
This resimulation contains gas physics and star formation and was performed using the Gadget-2 code. The corresponding simulation with dark matter only is described here: Clues3_LGDM.

Details

Box size 64 Mpc/h side length of the cosmological cube
Radius 2 Mpc/h radius of resimulated high resolution region
Particle resolution 40963 particle resolution in the resimulated region
Cosmology
h 0.73 Hubble parameter
ΩΛ 0.76 density parameter for dark energy
Ωm 0.24 density parameter for matter (dark matter+baryons)
Ωb 0.0418 density parameter for baryonic matter
n 0.95 normalization of the Power spectrum
σ8 0.75 amplitude of mass density fluctuation in 8 Mpc/h sphere (at redshift z=0)

Particle masses and numbers
Particle type Mass Number
Dark matter 209848 Msun/h 52953088
Gas 44256.5 Msun/h 51913198
Stars 22128.3 Msun/h 4352196

Clues3_LGGas data in the database

The following table provides an overview on the database tables which are available for this simulation. For each table, a link to its “table type” is given. This leads to a page explaining the columns of the corresponding table in more detail.

Several tables may contain a Peano-Hilbert key (phkey) for each row, which can be constructed from the position using the hilbert key function. If not indicated otherwise, the hilbert order for this simulation is 7, i.e. there are 27 = 128 cells per dimension.

Database table Table type Short description
AHF AHF AHF (Amiga Halo Finder) catalogue for all available snapshots. This table contains the main properties calculated from all components (dark matter + gas + stars).
ahfId = ( snapnum*106 +(number in complete AHF catalogue) )

Please note that the AHF halo table contains the complete catalogue, including halos with a higher fraction of low resolution particles. Use e.g. fMhires > 0.9 to skip them.

AHFGas AHFGas Properties of the gas component only. The ahfId refers to the same halo in the other AHF-related tables.
AHFStars AHFStars Properties of the stellar component only. The ahfId refers to the same halo in the other AHF-related tables.
AHFLum AHFLum Luminosities of AHF halos (i.e. of their galaxies)
AHFMag AHFMag Absolute magnitudes of AHF halos (i.e. of their galaxies)
AHFProf AHFProf Halo profiles, i.e. their inner properties in radial bins
AHFMatch AHFMatch Establishes links from halos in this simulation to the corresponding dark matter only simulation (same region, same box size, resolution etc., but no hydrodynamics, no star formation).
Redshifts Redshifts Overview on snapshot numbers (snapnum) and their corresponding redshifts

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