Range:
{{filter.render(filter.aggs.min)}}
{{filter.render(filter.aggs.max)}}
Example python code to apply the above filters and retrieve data. To use, download and install this module.
Field | Variable | Type | Units | Description |
---|---|---|---|---|
field | field | byte | CANDELS field (COSMOS, EGS, GOODS-N, GOODS-S, UDS) | |
realization | realization | byte | Realization between 0-7 | |
coord RA | RA | float | deg | Right Ascension |
coord Dec | Dec | float | deg | Declination |
z | Z(los) | float | Redshift including redshift-space distortions. | |
z_nopec | Z(cosmo) | float | Cosmological redshift---i.e., without redshift-space distortions. | |
Scale | Scale | float | Scale factor of the timestep from which the halo was taken | |
gal_id | ID | long | Halo ID (unique across all timesteps) | |
DescID | DescID | long | ID of descendant halo (or -1 at z = 0) | |
UPID | UPID | long | -1 for central halos, otherwise, ID of largest parent halo | |
Position | float | Mpc | ||
X | X | float | Position of halo relative to axes of lightcone (distance along lightcone) in comoving Mpc/h | |
Y | Y | float | Position of halo relative to axes of lightcone (distance perpendicular to lightcone X-axis) in comoving Mpc/h | |
Z | Z | float | Position of halo relative to axes of lightcone (distance perpendicular to lightcone X-axis) in comoving Mpc/h | |
Velocity | float | km/s | ||
vel x | VX | float | Peculiar velocity in physical (i.e., non-comoving) km/s, relative to lightcone axes | |
vel y | VY | float | Peculiar velocity in physical (i.e., non-comoving) km/s, relative to lightcone axes | |
vel z | VZ | float | Peculiar velocity in physical (i.e., non-comoving) km/s, relative to lightcone axes | |
M | M | float | \(10^{10}M_\odot\) | Halo mass (Bryan & Norman (BN98) 1998 virial mass) |
V | V | float | km/s | Halo \(v_{max}\) (physical) |
MP | MP | float | \(10^{10}M_\odot\) | Halo peak historical mass (BN98 virial mass) |
VMP | VMP | float | km/s | Halo vmax at the time when peak mass was reached |
R | R | float | Mpc | Halo raidus (BN98 vir, co-moving kpc/h) |
Rank1 | Rank1 | float | \(\Delta v_{max}\) | Halo rank (see UniverseMachine paper) |
M_stellar | SM | float | \(10^{10}M_\odot\) | True stellar mass |
ICL | ICL | float | \(10^{10}M_\odot\) | True intracluster stellar mass |
SFR | SFR | float | \(M_\odot/yr\) | True star formation rate |
obs_SM | obs_SM | float | \(10^{10}M_\odot\) | Observed stellar mass, including random & systematic errors |
obs_SFR | obs_SFR | float | \(M_\odot/yr\) | Observed star formation rate (SFR), including random & systemic errors |
SSFR | SSFR | float | Observed SSFR | |
SM/HM | SM/HM | float | SM/HM ratio | |
UV1500_rest | obs_UV | float | \(M_{1500} AB\) | Observed UV Magnitude |
A_UV | A_UV | float | AB Mag | UV attenuation from dust |
These lightcones have been populated using the UniverseMachine empirical model. For more details please see Behroozi et al. (2019) and Somerville et al. (2020).
Data Release: v1 2019-07-26.
Data also available at peterbehroozi.com.
fieldCANDELS field (COSMOS, EGS, GOODS-N, GOODS-S, UDS) | realizationRealization between 0-7 | coord RA degRight Ascension | coord Dec degDeclination | zRedshift including redshift-space distortions. | z_nopecCosmological redshift---i.e., without redshift-space distortions. | ScaleScale factor of the timestep from which the halo was taken | gal_idHalo ID (unique across all timesteps) | DescIDID of descendant halo (or -1 at z = 0) | UPID-1 for central halos, otherwise, ID of largest parent halo | PositionMpc | Velocitykm/s | M \(10^{10}M_\odot\)Halo mass (Bryan & Norman (BN98) 1998 virial mass) | V km/sHalo \(v_{max}\) (physical) | MP \(10^{10}M_\odot\)Halo peak historical mass (BN98 virial mass) | VMP km/sHalo vmax at the time when peak mass was reached | R MpcHalo raidus (BN98 vir, co-moving kpc/h) | Rank1 \(\Delta v_{max}\)Halo rank (see UniverseMachine paper) | M_stellar \(10^{10}M_\odot\)True stellar mass | ICL \(10^{10}M_\odot\)True intracluster stellar mass | SFR \(M_\odot/yr\)True star formation rate | obs_SM \(10^{10}M_\odot\)Observed stellar mass, including random & systematic errors | obs_SFR \(M_\odot/yr\)Observed star formation rate (SFR), including random & systemic errors | SSFRObserved SSFR | SM/HMSM/HM ratio | UV1500_rest \(M_{1500} AB\)Observed UV Magnitude | A_UV AB MagUV attenuation from dust | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
XPosition of halo relative to axes of lightcone (distance along lightcone) in comoving Mpc/h | YPosition of halo relative to axes of lightcone (distance perpendicular to lightcone X-axis) in comoving Mpc/h | ZPosition of halo relative to axes of lightcone (distance perpendicular to lightcone X-axis) in comoving Mpc/h | vel xPeculiar velocity in physical (i.e., non-comoving) km/s, relative to lightcone axes | vel yPeculiar velocity in physical (i.e., non-comoving) km/s, relative to lightcone axes | vel zPeculiar velocity in physical (i.e., non-comoving) km/s, relative to lightcone axes |