This table contains the semi-analytic galaxy catalogues of Font
et al (2008). All magnitudes include dust extinction and assume
that H0 = 100km/sec/Mpc.
Magnitudes with a "_ab" suffix are in the AB system. Magnitudes
without this suffix are in the Vega system.
column | type | UCD | unit | description |
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.
|
mag_U_ab |
float |
em.opt.U |
|
Absolute rest frame U band magnitude (AB) of galaxy.
|
mag_B_ab |
float |
em.opt.B |
|
Absolute rest frame B band magnitude (AB) of galaxy.
|
mag_V_ab |
float |
em.opt.V |
|
Absolute rest frame V band magnitude (AB) of galaxy.
|
mag_R_ab |
float |
em.opt.R |
|
Absolute rest frame R band magnitude (AB) of galaxy.
|
mag_I_ab |
float |
em.opt.I |
|
Absolute rest frame I band magnitude (AB) of galaxy.
|
mag_J_ab |
float |
em.opt.J |
|
Absolute rest frame J band magnitude (AB) of galaxy.
|
mag_K_ab |
float |
em.opt.K |
|
Absolute rest frame K band magnitude (AB) of galaxy.
|
mag_H_ab |
float |
em.opt.H |
|
Absolute rest frame H band magnitude (AB) of galaxy.
|
mag_U_Obs_ab |
float |
em.opt.U |
|
Absolute observer frame U band magnitude (AB) of galaxy.
|
mag_B_Obs_ab |
float |
em.opt.B |
|
Absolute observer frame B band magnitude (AB) of galaxy.
|
mag_V_Obs_ab |
float |
em.opt.V |
|
Absolute observer frame V band magnitude (AB) of galaxy.
|
mag_R_Obs_ab |
float |
em.opt.R |
|
Absolute observer frame R band magnitude (AB) of galaxy.
|
mag_I_Obs_ab |
float |
em.opt.I |
|
Absolute observer frame I band magnitude (AB) of galaxy.
|
mag_J_Obs_ab |
float |
em.opt.J |
|
Absolute observer frame J band magnitude (AB) of galaxy.
|
mag_K_Obs_ab |
float |
em.opt.K |
|
Absolute observer frame K band magnitude (AB) of galaxy.
|
mag_H_Obs_ab |
float |
em.opt.H |
|
Absolute observer frame H band magnitude (AB) of galaxy.
|
mag_UBulge_ab |
float |
em.opt.U |
|
Absolute rest frame U band magnitude (AB) of galactic bulge.
|
mag_BBulge_ab |
float |
em.opt.B |
|
Absolute rest frame B band magnitude (AB) of galactic bulge.
|
mag_VBulge_ab |
float |
em.opt.V |
|
Absolute rest frame V band magnitude (AB) of galactic bulge.
|
mag_RBulge_ab |
float |
em.opt.R |
|
Absolute rest frame R band magnitude (AB) of galactic bulge.
|
mag_IBulge_ab |
float |
em.opt.I |
|
Absolute rest frame I band magnitude (AB) of galactic bulge.
|
mag_JBulge_ab |
float |
em.opt.J |
|
Absolute rest frame J band magnitude (AB) of galactic bulge.
|
mag_KBulge_ab |
float |
em.opt.K |
|
Absolute rest frame K band magnitude (AB) of galactic bulge.
|
mag_HBulge_ab |
float |
em.opt.H |
|
Absolute rest frame H band magnitude (AB) of galactic bulge.
|
mag_UBulge_Obs_ab |
float |
em.opt.U |
|
Absolute observer frame U band magnitude (AB) of galactic bulge.
|
mag_BBulge_Obs_ab |
float |
em.opt.B |
|
Absolute observer frame B band magnitude (AB) of galactic bulge.
|
mag_VBulge_Obs_ab |
float |
em.opt.V |
|
Absolute observer frame V band magnitude (AB) of galactic bulge.
|
mag_RBulge_Obs_ab |
float |
em.opt.R |
|
Absolute observer frame R band magnitude (AB) of galactic bulge.
|
mag_IBulge_Obs_ab |
float |
em.opt.I |
|
Absolute observer frame I band magnitude (AB) of galactic bulge.
|
mag_JBulge_Obs_ab |
float |
em.opt.J |
|
Absolute observer frame J band magnitude (AB) of galactic bulge.
|
mag_KBulge_Obs_ab |
float |
em.opt.K |
|
Absolute observer frame K band magnitude (AB) of galactic bulge.
|
mag_HBulge_Obs_ab |
float |
em.opt.H |
|
Absolute observer frame H band magnitude (AB) of galactic bulge.
|
u_SDSS_ab |
float |
em.opt.u |
|
Absolute rest frame SDSS u band magnitude (AB) of the galaxy.
|
g_SDSS_ab |
float |
em.opt.g |
|
Absolute rest frame SDSS g band magnitude (AB) of the galaxy.
|
r_SDSS_ab |
float |
em.opt.r |
|
Absolute rest frame SDSS r band magnitude (AB) of the galaxy.
|
i_SDSS_ab |
float |
em.opt.i |
|
Absolute rest frame SDSS i band magnitude (AB) of the galaxy.
|
z_SDSS_ab |
float |
em.opt.z |
|
Absolute rest frame SDSS z band magnitude (AB) of the galaxy.
|
u_SDSS_Obs_ab |
float |
em.opt.u |
|
Absolute observer frame SDSS u band magnitude (AB) of the galaxy.
|
g_SDSS_Obs_ab |
float |
em.opt.g |
|
Absolute observer frame SDSS g band magnitude (AB) of the galaxy.
|
r_SDSS_Obs_ab |
float |
em.opt.r |
|
Absolute observer frame SDSS r band magnitude (AB) of the galaxy.
|
i_SDSS_Obs_ab |
float |
em.opt.i |
|
Absolute observer frame SDSS i band magnitude (AB) of the galaxy.
|
z_SDSS_Obs_ab |
float |
em.opt.z |
|
Absolute observer frame SDSS z band magnitude (AB) of the galaxy.
|
u_SDSSBulge_ab |
float |
em.opt.u |
|
Absolute rest frame SDSS u band magnitude (AB) of the galactic bulge.
|
g_SDSSBulge_ab |
float |
em.opt.g |
|
Absolute rest frame SDSS g band magnitude (AB) of the galactic bulge.
|
r_SDSSBulge_ab |
float |
em.opt.r |
|
Absolute rest frame SDSS r band magnitude (AB) of the galactic bulge.
|
i_SDSSBulge_ab |
float |
em.opt.i |
|
Absolute rest frame SDSS i band magnitude (AB) of the galactic bulge.
|
z_SDSSBulge_ab |
float |
em.opt.z |
|
Absolute rest frame SDSS z band magnitude (AB) of the galactic bulge.
|
u_SDSSBulge_Obs_ab |
float |
em.opt.u |
|
Absolute observer frame SDSS u band magnitude (AB) of the galactic bulge.
|
g_SDSSBulge_Obs_ab |
float |
em.opt.g |
|
Absolute observer frame SDSS g band magnitude (AB) of the galactic bulge.
|
r_SDSSBulge_Obs_ab |
float |
em.opt.r |
|
Absolute observer frame SDSS r band magnitude (AB) of the galactic bulge.
|
i_SDSSBulge_Obs_ab |
float |
em.opt.i |
|
Absolute observer frame SDSS i band magnitude (AB) of the galactic bulge.
|
z_SDSSBulge_Obs_ab |
float |
em.opt.z |
|
Absolute observer frame SDSS z band magnitude (AB) 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_do_not_use |
float |
phys.veloc |
km/s |
x-component of peculiar velocity. NOTE: due to a bug, this quantity is not reliable at z>0.
|
vely_do_not_use |
float |
phys.veloc |
km/s |
y-component of peculiar velocity. NOTE: due to a bug, this quantity is not reliable at z>0.
|
velz_do_not_use |
float |
phys.veloc |
km/s |
z-component of peculiar velocity. NOTE: due to a bug, this quantity is not reliable at z>0.
|
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.
|