SAGE (mdpl2.sage)

The table has 10100245504 rows, 38 columns.

Description

SAGE catalog of semi-analytical galaxies, built using Rockstar catalog

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.

Columns

Name Type UCD Unit Description
dbid long meta.id
meta.main

unique database ID for this table, constructed from file number, snapnum and row in file
snapnum short time.epoch

snapshot number, same as in Rockstar catalogue
redshift double time.epoch

redshift of the universe for this timestep
rockstarid long meta.id
meta.main

ID in corresponding dark matter halo in Rockstar catalogue
depthfirstid long meta.id
meta.main

depthFirstId of dark matter halo in corresponding Rockstar catalogue
forestid long meta.id

ID of the merger forest in corresponding Rockstar catalogue
galaxyid long meta.id

galaxy identifier
hosthaloid long

subhalo index from Rockstar output, same as rockstarId
mainhaloid long

central halo index from consistent-trees output
galaxytype short

type of the galaxy: 0=central, 1=satellite
halomass double phys.mass h-1.solMass

remaining bound mass of a satellite
vmax double phys.veloc.rotat km.s-1

halo circular velocity in physical coordinates
spin double

spin parameter
x double pos.cartesian.x h-1.Mpc

comoving x-position
y double pos.cartesian.y h-1.Mpc

comoving y-position
z double pos.cartesian.z h-1.Mpc

comoving z-position
vx double phys.veloc km.s-1

x-component of peculiar physical velocity
vy double phys.veloc km.s-1

y-component of peculiar physical velocity
vz double phys.veloc km.s-1

z-component of peculiar physical velocity
mstarspheroid double phys.mass h-1.solMass

stellar mass in spheroid
mstardisk double phys.mass h-1.solMass

stellar mass in disk
mcolddisk double phys.mass h-1.solMass

gas mass in disk
mhot double phys.mass h-1.solMass

mass in hot halo
mbh double phys.mass h-1.solMass

mass of one black hole (same mass for all)
sfrspheroid double phys.SFR h-1.solMass.Gyr-1

star formation rate of the bulge
sfrdisk double phys.SFR h-1.solMass.Gyr-1

star formation rate in disk
sfr double phys.SFR h-1.solMass.Gyr-1

total star formation rate
mzgasdisk double
mzhothalo double phys.mass h-1.solMass

mass of metals in hot gas in the diffuse halo/atmosphere
mzstarspheroid double phys.mass h-1.solMass

mass of metals in stars in the spheroid/bulge
mzstardisk double phys.mass h-1.solMass

mass of metals in stars in the disk
meanagestars double Gyr

mean age of stellar population
ninfile long

number of galaxy in the data file, inside the output group for current snapnum
filenum int

number of the file from which the data was uploaded
ix int pos.cartesian.x

spatial grid index, x-direction
iy int pos.cartesian.y

spatial grid index, y-direction
iz int pos.cartesian.z

spatial grid index, z-direction
phkey long

Peano-Hilbert key index of space-filling curve