HaloMaker The HaloMaker code finds halo in a dark matter particle simulation ... http://projet-horizon.fr 2008-01-01T12:00:00 2008-06-26T12:00:00 published Herve Wozniak

Lyon

creator http://projet-horizon.fr 1.0 halo halo objects found in raw simulation data x float 1 X (cartesian) coordinate of the halo in the cubic box pos.cartesian.x y float 1 Y (cartesian) coordinate of the halo in the cubic box pos.cartesian.y z float 1 Z (cartesian) coordinate of the halo in the cubic box pos.cartesian.z halo id long 1 Unique identifier of the halo that can be compared with the halo identifier present in galaxies meta.id velocity x float 1 X-coordinate of the velocity of the center of mass of the halo phys.veloc velocity y float 1 Y-coordinate of the velocity of the center of mass of the halo phys.veloc velocity z float 1 Z-coordinate of the velocity of the center of mass of the halo phys.veloc angular momentum x float 1 X-coordinate of angular momentum of the halo phys.angMomentum angular momentum y float 1 Y-coordinate of angular momentum of the halo phys.angMomentum angular momentum z float 1 Z-coordinate of angular momentum of the halo phys.angMomentum number of galaxies long 1 Number of galaxies in the halo meta.number virial mass float 1 Virial mass of the halo (i.e. by definition here the sum of the masses of all particles belonging to the halo. Units are 10^11 solar masses phys.mass virial radius float 1 Virial radius of the halo, in physical Mpc phys.size.radius virial temperature float 1 Virial temperature of the halo, in Kelvin phys.temperature mass of cold gas float 1 Mass of cold gas (including metals and stars) in the halo, i.e. mass of the galaxies, in 10^11 M_sun phys.mass mass of metals in cold gas float 1 Mass of metals in the cold gas of the halo, in 10^11 M_sun phys.mass mass of hot gas float 1 Mass of hot gas in the halo (including metals), in 10^11 M_sun phys.mass mass of metals in hot gas float 1 Mass of metals in the hot gas of the halo, in 10^11 M_sun phys.mass mass of stars float 1 Mass of stars in the halo phys.mass mass of metals in stars float 1 Mass of metals in the stars of the halo phys.mass potential energy float 1 Potential energy of the halo phys.energy kinetic energy float 1 Kinetic energy of the halo phys.energy total energy float 1 Total energy of the halo phys.energy spin parameter float 1 Spin parameter of the halo phys.veloc.ang model astro object halo NPart int 1 Minimum number of particles per halo. Any group found with less than this is discarded. Method string 1 The algorithm used to find groups of particles. FOF stands for friends-of-friends. true FOF friends-of-friends b float 1 The linking length parameter used for the FOF algorithm. centerMethod string 1 Method used to determine the center of halos. CDM for center of mass. true CDM center of mass treeMethod string 1 Method used to construct merger trees.