3.3.7.1  :  Bower2006a

This table contains the semi-analytic galaxy catalogues of Bower et al (2006). All magnitudes include dust extinction and assume that H0 = 100km/sec/Mpc.

columntypeUCDunitdescription
GalaxyID long meta.id;meta.main Id of galaxy, unique within simulation and semi-analytic run
DescendantId long meta.id.assoc pointer to the descendant of this galaxy in the merger tree
LastProgenitorId long meta.id.assoc All galaxies with IDs between the ID of this galaxy and LastProgenitorId are the merger tree rooted at this galaxy.
Redshift float time redshift of the snapshot where this galaxy resides
SnapNum int time The snapshot number where this galaxy exists.
FirstProgenitorID long meta.id.assoc The ID of the most massive progenitor of the galaxy
EndMainBranchID long meta.id.assoc The ID of the galaxy at the end of the main progenitor branch of this galaxy.
phKey integer Peano-Hilbert key, (bits=8), for position in 500/h Mpc box. See the text on spatial indexes.
zIndex integer The "bit-interleaved" or "Z-curve" index, corresponding to this galaxy's position. Same resolution as phKey. See the text on spatial indexes.
ix integer pos.cartesian.x Zone index along x-direction, based on 50 bins. See the text on spatial indexes.
iy integer pos.cartesian.y Zone index along y-direction, based on 50 bins. See the text on spatial indexes.
iz integer pos.cartesian.y Zone index along z-direction, based on 50 bins. See the text on spatial indexes.
random float A random number between 0 and 1000000. See the section on random sampling.
mag_U float em.opt.U Absolute rest frame U band magnitude (Vega) of galaxy.
mag_B float em.opt.B Absolute rest frame B band magnitude (Vega) of galaxy.
mag_V float em.opt.V Absolute rest frame V band magnitude (Vega) of galaxy.
mag_R float em.opt.R Absolute rest frame R band magnitude (Vega) of galaxy.
mag_I float em.opt.I Absolute rest frame I band magnitude (Vega) of galaxy.
mag_J float em.opt.J Absolute rest frame J band magnitude (Vega) of galaxy.
mag_K float em.opt.K Absolute rest frame K band magnitude (Vega) of galaxy.
mag_H float em.opt.H Absolute rest frame H band magnitude (Vega) of galaxy.
mag_U_Obs float em.opt.U Absolute observer frame U band magnitude (Vega) of galaxy.
mag_B_Obs float em.opt.B Absolute observer frame B band magnitude (Vega) of galaxy.
mag_V_Obs float em.opt.V Absolute observer frame V band magnitude (Vega) of galaxy.
mag_R_Obs float em.opt.R Absolute observer frame R band magnitude (Vega) of galaxy.
mag_I_Obs float em.opt.I Absolute observer frame I band magnitude (Vega) of galaxy.
mag_J_Obs float em.opt.J Absolute observer frame J band magnitude (Vega) of galaxy.
mag_K_Obs float em.opt.K Absolute observer frame K band magnitude (Vega) of galaxy.
mag_H_Obs float em.opt.H Absolute observer frame H band magnitude (Vega) of galaxy.
mag_UBulge float em.opt.U Absolute rest frame U band magnitude (Vega) of galactic bulge.
mag_BBulge float em.opt.B Absolute rest frame B band magnitude (Vega) of galactic bulge.
mag_VBulge float em.opt.V Absolute rest frame V band magnitude (Vega) of galactic bulge.
mag_RBulge float em.opt.R Absolute rest frame R band magnitude (Vega) of galactic bulge.
mag_IBulge float em.opt.I Absolute rest frame I band magnitude (Vega) of galactic bulge.
mag_JBulge float em.opt.J Absolute rest frame J band magnitude (Vega) of galactic bulge.
mag_KBulge float em.opt.K Absolute rest frame K band magnitude (Vega) of galactic bulge.
mag_HBulge float em.opt.H Absolute rest frame H band magnitude (Vega) of galactic bulge.
mag_UBulge_Obs float em.opt.U Absolute observer frame U band magnitude (Vega) of galactic bulge.
mag_BBulge_Obs float em.opt.B Absolute observer frame B band magnitude (Vega) of galactic bulge.
mag_VBulge_Obs float em.opt.V Absolute observer frame V band magnitude (Vega) of galactic bulge.
mag_RBulge_Obs float em.opt.R Absolute observer frame R band magnitude (Vega) of galactic bulge.
mag_IBulge_Obs float em.opt.I Absolute observer frame I band magnitude (Vega) of galactic bulge.
mag_JBulge_Obs float em.opt.J Absolute observer frame J band magnitude (Vega) of galactic bulge.
mag_KBulge_Obs float em.opt.K Absolute observer frame K band magnitude (Vega) of galactic bulge.
mag_HBulge_Obs float em.opt.H Absolute observer frame H band magnitude (Vega) of galactic bulge.
u_SDSS float em.opt.u Absolute rest frame SDSS u band magnitude (Vega) of the galaxy.
g_SDSS float em.opt.g Absolute rest frame SDSS g band magnitude (Vega) of the galaxy.
r_SDSS float em.opt.r Absolute rest frame SDSS r band magnitude (Vega) of the galaxy.
i_SDSS float em.opt.i Absolute rest frame SDSS i band magnitude (Vega) of the galaxy.
z_SDSS float em.opt.z Absolute rest frame SDSS z band magnitude (Vega) of the galaxy.
u_SDSS_Obs float em.opt.u Absolute observer frame SDSS u band magnitude (Vega) of the galaxy.
g_SDSS_Obs float em.opt.g Absolute observer frame SDSS g band magnitude (Vega) of the galaxy.
r_SDSS_Obs float em.opt.r Absolute observer frame SDSS r band magnitude (Vega) of the galaxy.
i_SDSS_Obs float em.opt.i Absolute observer frame SDSS i band magnitude (Vega) of the galaxy.
z_SDSS_Obs float em.opt.z Absolute observer frame SDSS z band magnitude (Vega) of the galaxy.
u_SDSSBulge float em.opt.u Absolute rest frame SDSS u band magnitude (Vega) of the galactic bulge.
g_SDSSBulge float em.opt.g Absolute rest frame SDSS g band magnitude (Vega) of the galactic bulge.
r_SDSSBulge float em.opt.r Absolute rest frame SDSS r band magnitude (Vega) of the galactic bulge.
i_SDSSBulge float em.opt.i Absolute rest frame SDSS i band magnitude (Vega) of the galactic bulge.
z_SDSSBulge float em.opt.z Absolute rest frame SDSS z band magnitude (Vega) of the galactic bulge.
u_SDSSBulge_Obs float em.opt.u Absolute observer frame SDSS u band magnitude (Vega) of the galactic bulge.
g_SDSSBulge_Obs float em.opt.g Absolute observer frame SDSS g band magnitude (Vega) of the galactic bulge.
r_SDSSBulge_Obs float em.opt.r Absolute observer frame SDSS r band magnitude (Vega) of the galactic bulge.
i_SDSSBulge_Obs float em.opt.i Absolute observer frame SDSS i band magnitude (Vega) of the galactic bulge.
z_SDSSBulge_Obs float em.opt.z Absolute observer frame SDSS z band magnitude (Vega) of the galactic bulge.
L_Halpha float 10^40 h^-2 erg/s Total luminosity in the Halpha emission line
LBulge_Halpha float 10^40 h^-2 erg/s Bulge luminosity in the Halpha emission line
L_OII3727 float 10^40 h^-2 erg/s Total luminosity in the OII3727 emission line
LBulge_OII3727 float 10^40 h^-2 erg/s Bulge luminosity in the OII3727 emission line
L_Hbeta float 10^40 h^-2 erg/s Total luminosity in the Hbeta emission line
LBulge_Hbeta float 10^40 h^-2 erg/s Bulge luminosity in the Hbeta emission line
rDisk float phys.size.radius 1/h Mpc Half mass radius of the disk
rBulge float phys.size.radius 1/h Mpc Half mass radius of the bulge
vDisk float phys.veloc km/s Circular velocity of the disk at the half mass radius
vBulge float phys.veloc km/s Circular velocity of the bulge at the half mass radius
x float pos.cartesian.x 1/h Mpc x-component position
y float pos.cartesian.y 1/h Mpc y-component position
z float pos.cartesian.z 1/h Mpc z-component position
velx float phys.veloc km/s x-component of peculiar velocity
vely float phys.veloc km/s y-component of peculiar velocity
velz float phys.veloc km/s z-component of peculiar velocity
StellarMass float phys.mass 1/h Msun The total stellar mass of the galaxy
bulgeMass float phys.mass 1/h Msun The total stellar mass of the galactic bulge
coldGas float phys.mass 1/h Msun mass of cold gas in this galaxy
blackHoleMass float phys.mass 1/h Msun mass of the central black hole in this galaxy
ageVdisk float Gyr V band luminosity weighted age of the disk
ageVbulge float Gyr V band luminosity weighted age of the bulge
ageV float Gyr V band luminosity weighted age of the galaxy
metVdisk float Dimensionless mass fraction V band luminosity weighted metallicity of the disk
metVbulge float Dimensionless mass fraction V band luminosity weighted metallicity of the bulge
metV float Dimensionless mass fraction V band luminosity weighted metallicity of the galaxy
mhalo float phys.mass 1/h Msun mass of the host halo of this galaxy
type int src.class 0 indicates central galaxy of the DHalo, 1 indicates a satellite galaxy
DHaloID long meta.id.assoc The ID of the DHalo this galaxy belongs to.