CosmoGrid metadata schema

Created: 16 October 2018

PID: 11112/SURF.736368656D61-COSMOGRID

Metadata fields

This schema has 14 metadata fields.

Unique name Label / Description Type Use
resolution Resolution
Resolution of snapshot		 vocabulary Mandatory
step Step
Simulation step		 xs:integer Mandatory
znow Redshift
Redshift at current snapshot		 xs:decimal Mandatory
anow Expansion factor
Expansion factor at current snapshot		 xs:decimal Mandatory
tnow Time
Dimensionless time since big bang of current snapshot		 xs:decimal Mandatory
omega0 Total matter
Total matter fraction		 xs:decimal Mandatory
omegab Baryonic matter
Baryonic matter fraction		 xs:decimal Mandatory
lambda0 Cosmological constant
Cosmological constant		 xs:decimal Mandatory
hubble Hubble constant
Hubble constant divided over 100 km/s/Mpc		 xs:decimal Mandatory
astart Initial expansion
Initial expansion factor		 xs:decimal Mandatory
lunit Unit length
Unit length		 xs:decimal Mandatory
munit Unit mass
Unit mass		 xs:decimal Mandatory
tunit Unit time
Unit time		 xs:decimal Mandatory
mass Single particle mass
Mass of single particle		 xs:decimal Mandatory