SAG (mdpl2.sag)
The table has 13123286016 rows, 45 columns.
Description
SAG 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-catalogues) |
|
| redshift | double | |||
| rockstarid | long | meta.id |
HaloID of dark matter halo as found in Rockstar merger tree (host halo) |
|
| depthfirstid | long | |||
| forestid | long | meta.id |
ID of the corresponding forest halo, for extracting isolated merger forests |
|
| galaxystaticid | long | meta.id |
ID of the galaxy within the SAM. GalID = [Formation Snap]1E14 + [Num Thread]1E10 + [Gal Number] |
|
| hosthaloid | long | meta.id |
ID of host DM halo to which this galaxy last belonged |
|
| mainhaloid | long | meta.id |
ID of main host dark matter halo |
|
| galaxytype | short | meta.id |
Flag indicating the type of the galaxy: 0 = main halo central galaxy, 1 = satellite halo central galaxy, 2 = orphan galaxy) |
|
| halomass | double | phys.mass | h-1.solMass |
mass of the corresponding dark matter halo (M200c) in Rockstar |
| vmax | double | phys.veloc.rotat | km.s-1 |
halo circular velocity in physical coordinates, frozen in orphan galaxies |
| vpeak | double | phys.veloc.rotat | km.s-1 |
halo circular velocity at accretion time in physical coordinates |
| concentration_nfw | double |
halo NFW concentration parameter, frozen in orphan galaxies |
||
| x | double | pos.cartesian.x | h-1.Mpc |
x-position, comoving |
| y | double | pos.cartesian.y | h-1.Mpc |
y-position, comoving |
| z | double | pos.cartesian.z | h-1.Mpc |
z-position, comoving |
| vx | double | phys.veloc | km.s-1 |
x-component of physical velocity |
| vy | double | phys.veloc | km.s-1 |
y-component of physical velocity |
| vz | double | phys.veloc | km.s-1 |
z-component of physical velocity |
| mstarspheroid | double | phys.mass | h-1.solMass |
mass of stars in the spheroid/bulge |
| mstardisk | double | phys.mass | h-1.solMass |
mass of stars in the disk |
| mcoldspheroid | double | phys.mass | h-1.solMass |
mass of gas in the spheroid/bulge |
| mcolddisk | double | phys.mass | h-1.solMass |
mass of gas in the disk |
| mhot | double | phys.mass | h-1.solMass |
hot gas mass |
| mbh | double | phys.mass | h-1.solMass |
mass of central black hole |
| sfrspheroid | double | h-1.solMass.Gyr-1 |
star formation rate of the bulge |
|
| sfr | double | h-1.solMass.Gyr-1 |
star formation rate |
|
| magstarsdssu | double |
SDSS Camera u Response Function, airmass = 1.3 (June 2001), rest-frame |
||
| magstarsdssg | double |
SDSS Camera g Response Function, airmass = 1.3 (June 2001), rest-frame |
||
| magstarsdssr | double |
SDSS Camera r Response Function, airmass = 1.3 (June 2001), rest-frame |
||
| magstarsdssi | double |
SDSS Camera i Response Function, airmass = 1.3 (June 2001), rest-frame |
||
| magstarsdssz | double |
SDSS Camera z Response Function, airmass = 1.3 (June 2001), rest-frame |
||
| mzgasspheroid | double | phys.mass | h-1.solMass |
mass of metals in gas in the spheroid/bulge |
| mzgasdisk | double | phys.mass | h-1.solMass |
mass of metals in gas in the disk |
| 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 |