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 |