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.
| 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=5), for position in 62.5/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 6 bins. See the text on spatial indexes.
|
| iy |
integer |
pos.cartesian.y |
|
Zone index along y-direction, based on 6 bins. See the text on spatial indexes.
|
| iz |
integer |
pos.cartesian.y |
|
Zone index along z-direction, based on 6 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.
|
