SHBoost 2024 (gaiadr3_contrib.shboost2024)

The table has 217985168 rows, 38 columns.

Description

SHBoost, catalogue of stellar properties derived from Gaia DR3 XP spectra, astrometry, and multi-wavelength photometry.

Attribution

Please cite Khalatyan A., Anders F. et al. 2024 when using this data.

Columns

Name Type UCD Unit Description
source_id long meta.id
meta.main
meta.ref

Gaia DR3 unique source identifier
random_index long meta.code

Random index for use when selecting subsets
xgb_av float phys.absorption.gal mag

line-of-sight extinction at λ = 5420 Å, AV, xgboost point estimate
xgbdist_av_mean float phys.absorption.gal
stat.mean 		mag

line-of-sight extinction at λ = 5420 Å, AV, xgboost-distribution mean value
xgbdist_av_std float phys.absorption.gal
stat.stdev 		mag

line-of-sight extinction at λ = 5420 Å, AV, xgboost-distribution standard deviation
xgb_logteff float phys.temperature.effective K

effective temperature, xgboost point estimate
xgbdist_logteff_mean float phys.temperature.effective
stat.mean 		K

effective temperature, xgboost-distribution mean value
xgbdist_logteff_std float phys.temperature.effective
stat.stdev 		K

effective temperature, xgboost-distribution standard deviation
xgb_logg float phys.gravity cgs

surface gravity, xgboost point estimate
xgbdist_logg_mean float phys.gravity
stat.mean 		cgs

surface gravity, xgboost-distribution mean value
xgbdist_logg_std float phys.gravity
stat.stdev 		cgs

surface gravity, xgboost-distribution standard deviation
xgb_met float phys.abund.Z

metallicity, xgboost point estimate
xgbdist_met_mean float phys.abund.Z
stat.mean

metallicity, xgboost-distribution mean value
xgbdist_met_std float phys.abund.Z
stat.stdev

metallicity, xgboost-distribution standard deviation
xgb_mass float phys.mass solMass

stellar mass, xgboost point estimate
xgbdist_mass_mean float phys.mass
stat.mean 		solMass

stellar mass, xgboost-distribution mean value
xgbdist_mass_std float phys.mass
stat.stdev 		solMass

stellar mass, xgboost-distribution standard deviation
dist float pos.distance kpc

Distance estimate from the literature
dist_lower float pos.distance kpc

16th distance percentile from the literature
dist_upper float pos.distance kpc

84th distance percentile from the literature
dist_flag int meta.code

Distance flag (0=StarHorse EDR3, 1=Bailer-Jones et al. 2021 photogeo, =2 BJ2021 geo)
bprp0 float phot.color.reddFree mag

dereddened colour, derived with gaia_edr3_photutils
mg0 float phys.magAbs mag

absolute magnitude, derived with gaia_edr3_photutils
xg float pos.cartesian.x kpc

Galactocentric Cartesian X coordinate, derived from dist and assuming X0 = −8.2 kpc
yg float pos.cartesian.y kpc

Galactocentric Cartesian Y coordinate, derived from dist and assuming X0 = −8.2 kpc
zg float pos.cartesian.z kpc

Galactocentric Cartesian Z coordinate, derived from dist and assuming Z0 = 0
rg float pos.distance kpc

Galactocentric planar distance, derived from XGal and YGal
vxg float phys.veloc km/s

Galactic Cartesian velocity in X direction
vyg float phys.veloc km/s

Galactic Cartesian velocity in Y direction
vzg float phys.veloc km/s

Galactic Cartesian velocity in Z direction
vrg float phys.veloc km/s

Galactic radial velocity
vphig float phys.veloc km/s

Galactic angular velocity
xgb_inputflag char meta.code

SHBoost input flag
xgb_av_outputflag char meta.code

AV output quality flag (=0 if xgbdist_av_std < 0.3)
xgb_logteff_outputflag char meta.code

log Teff output quality flag (=0 if xgbdist_logteff_std < 0.1)
xgb_logg_outputflag char meta.code

log g output quality flag (=0 if xgbdist_logg_std < 0.3)
xgb_met_outputflag char meta.code

[M/H] output quality flag (=0 if xgbdist_met_std < 0.3)
xgb_mass_outputflag char meta.code

Mass output quality flag (=0 if xgbdist_mass_std / xgbdist_mass_mean < 0.3)