MDPL2 – SAG

Description

General information on SAG tables is also available at Tables – SAG

Please cite this data set using the unique digital object identifier doi:10.17876/cosmosim/mdpl2/007.

Columns

ColumnTypeUCDUnitDescription
dbIdbigintmeta.id
meta.main
unique database ID for this table, constructed from file number, snapnum and row in file
snapnumsmallinttime.epochsnapshot number (same as in Rockstar-catalogues)
redshiftfloat
rockstarIdbigintmeta.idHaloID of dark matter halo as found in Rockstar merger tree (host halo)
forestIdbigintmeta.idID of the corresponding forest halo, for extracting isolated merger forests
GalaxyStaticIDbigintmeta.idID of the galaxy within the SAM. GalID = [Formation Snap]*1E14 + [Num Thread]*1E10 + [Gal Number]
HostHaloIDbigintmeta.idID of host DM halo to which this galaxy last belonged
MainHaloIDbigintmeta.idID of main host dark matter halo
GalaxyTypetinyintmeta.idFlag indicating the type of the galaxy: 0 = main halo central galaxy, 1 = satellite halo central galaxy, 2 = orphan galaxy)
HaloMassfloatphys.masssolMass.h-1mass of the corresponding dark matter halo (M200c) in Rockstar
Vmaxfloatphys.velo.rotatkm.s-1halo circular velocity in physical coordinates, frozen in orphan galaxies
Vpeakfloatphys.velo.rotatkm.s-1halo circular velocity at accretion time in physical coordinates
concentration_NFWfloathalo NFW concentration parameter, frozen in orphan galaxies
xfloatpos.cartesian.xMpc.h-1x-position, comoving
yfloatpos.cartesian.yMpc.h-1y-position, comoving
zfloatpos.cartesian.zMpc.h-1z-position, comoving
vxfloatphys.velockm/sx-component of physical velocity
vyfloatphys.velockm/sy-component of physical velocity
vzfloatphys.velockm/sz-component of physical velocity
MstarSpheroidfloatphys.masssolMass.h-1mass of stars in the spheroid/bulge
MstarDiskfloatphys.masssolMass.h-1mass of stars in the disk
McoldSpheroidfloatphys.masssolMass.h-1mass of gas in the spheroid/bulge
McoldDiskfloatphys.masssolMass.h-1mass of gas in the disk
Mhotfloatphys.masssolMass.h-1hot gas mass
Mbhfloatphys.masssolMass.h-1mass of central black hole
SFRspheroidfloatsolMass.h-1.Gyrstar formation rate of the bulge
SFRfloatsolMass.h-1.Gyrstar formation rate
MagStarSDSSufloatSDSS Camera u Response Function, airmass = 1.3 (June 2001), rest-frame
MagStarSDSSgfloatSDSS Camera g Response Function, airmass = 1.3 (June 2001), rest-frame
MagStarSDSSrfloatSDSS Camera r Response Function, airmass = 1.3 (June 2001), rest-frame
MagStarSDSSifloatSDSS Camera i Response Function, airmass = 1.3 (June 2001), rest-frame
MagStarSDSSzfloatSDSS Camera z Response Function, airmass = 1.3 (June 2001), rest-frame
MZgasSpheroidfloatphys.masssolMass.h-1mass of metals in gas in the spheroid/bulge
MZgasDiskfloatphys.masssolMass.h-1mass of metals in gas in the disk
MZhotHalofloatphys.masssolMass.h-1mass of metals in hot gas in the diffuse halo/atmosphere
MZstarSpheroidfloatphys.masssolMass.h-1mass of metals in stars in the spheroid/bulge
MZstarDiskfloatphys.masssolMass.h-1mass of metals in stars in the disk
MeanAgeStarsfloatGyrmean age of stellar population
NInFilebigintnumber of galaxy in the data file, inside the output group for current snapnum
fileNumintnumber of the file from which the data was uploaded
ixintpos.cartesian.xspatial grid index, x-direction
iyintpos.cartesian.yspatial grid index, y-direction
izintpos.cartesian.zspatial grid index, z-direction
phkeybigintPeano-Hilbert key index of space-filling curve

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