The GALAH survey: An abundance, age, and kinematic inventory of the solar neighbourhood made with TGAS

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Volume 624 (April 2019)

A&A, 624 (2019) A19

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Table B.1.

Catalogue description.

Name	Description	Units	Datatype	Source
source_id	Gaia identifier		int64	Gaia
tmass_id	2MASS identifier		char[16]	2MASS
sobject_id	GALAH Spectrum identifier		int64	GALAH
ra	Right ascension (ICRS, Epoch=J2000)	deg	float64	UCAC4
dec	Declination (ICRS, Epoch=J2000)	deg	float64	UCAC4
snr_c1	S/N per pixel for ccd-1 (blue channel)		float64	Sect. 2
snr_c2	S/N per pixel for ccd-2 (green channel)		float64	Sect. 2
snr_c3	S/N per pixel for ccd-3 (red channel)		float64	Sect. 2
snr_c4	S/N per pixel for ccd-4 (infrared channel)		float64	Sect. 2
Bmag	APASS B magnitude	mag	float64	APASS
e_Bmag	Uncertainty in APASS B mag	mag	float64	APASS
Vmag	APASS V magnitude	mag	float64	APASS
e_Vmag	Uncertainty in APASS V mag	mag	float64	APASS
Jmag	2MASS J magnitude	mag	float64	2MASS
e_Jmag	Uncertainty in 2MASS J mag	mag	float64	2MASS
Hmag	2MASS H magnitude	mag	float64	2MASS
e_Hmag	Uncertainty in 2MASS H mag	mag	float64	2MASS
Kmag	2MASS K_s magnitude	mag	float64	2MASS
e_Kmag	Uncertainty in 2MASS K mag	mag	float64	2MASS
Qfl	Quality flag 2MASS		char[3]	2MASS
W1mag	WISE W1 magnitude	mag	float64	WISE
e_W1mag	Uncertainty in WISE W1 mag	mag	float64	WISE
W2mag	WISE W2 magnitude	mag	float64	WISE
e_W2mag	Uncertainty in WISE W2 mag	mag	float64	WISE
W3mag	WISE W3 magnitude	mag	float64	WISE
e_W3mag	Uncertainty in WISE W3 mag	mag	float64	WISE
W4mag	WISE W4 magnitude	mag	float64	WISE
e_W4mag	Uncertainty in WISE W4 mag	mag	float64	WISE
ebv	Reddening E(B − V)	mag	float64	SFD+98
A_K	Attenuation in K_s	mag	float64	GALAH, Sect. 3.1
e_A_K	Uncertainty in attenuation in K_s	mag	float64	GALAH, Sect. 3.1
BC_K	Bolometric corrections for K_s	mag	float64	GALAH, Sect. 3.1
parallax	Parallax	mas	float64	Gaia
parallax_error	Parallax error	mas	float64	Gaia
pmra	Proper motion in right ascension	mas yr⁻¹	float64	Gaia
pmra_error	Proper motion error in right ascension	mas yr⁻¹	float64	Gaia
pmdec	Proper motion in declination	mas yr⁻¹	float64	Gaia
pmdec_error	Proper motion error in declination	mas yr⁻¹	float64	Gaia
rMo_3	Mode distance of the posterior, using Milky Way Prior	pc	float64	AB+16
r5_3	5th percentile of the posterior, using Milky Way Prior	pc	float64	AB+16
r50_3	50th percentile of the posterior, using Milky Way Prior	pc	float64	AB+16
r95_3	95th percentile of the posterior, using Milky Way Prior	pc	float64	AB+16
sigmaR_3	Distance standard error, using Milky Way Prior	pc	float64	AB+16
comb_sp	Spectra used for the combination of stellar parameters		int64	Sect. 3.1
teff_sme	Effective temperature T_eff	K	float64	Sect. 3.1
e_teff_sme	Uncertainty in effective temperature T_eff	K	float64	Sect. 3.1
logg_sme	Surface gravity log g	dex	float64	Sect. 3.1
e_logg_sme	Uncertainty in surface gravity log g	dex	float64	Sect. 3.1
feh_sme	SME pseudo iron abundance [Fe/H]	dex	float64	Sect. 3.1
e_feh_sme	Uncertainty in SME pseudo iron abundance [Fe/H]	dex	float64	Sect. 3.1
vmic_sme	Microturbulence velocity ξ	km s⁻¹	float64	Sect. 3.1
e_vmic_sme	Uncertainty of microturbulence velocity ξ	km s⁻¹	float64	Sect. 3.1
vsini_sme	Rotational and Macroturbulence Velocity ν_{mac + rot}	km s⁻¹	float64	Sect. 3.1
e_vsini_sme	Uncertainty of ν_{mac + rot}	km s⁻¹	float64	Sect. 3.1
rv_sme	Radial velocity	km s⁻¹	float64	Sect. 3.1
e_rv_sme	Uncertainty of radial velocity	km s⁻¹	float64	Sect. 3.1
chi_sme	χ² of the spectroscopic stellar parameter fit		float64	Sect. 3.1
flag_sme	Spectroscopic quality flag		float64	Sect. 3.1
alpha_fe_sme	Combined α element abundance [α/Fe]	dex	float64	Sect. 3.5
e_alpha_fe_sme	Uncertainty of combined α element abundance [α/Fe]	dex	float64	Sect. 3.5
x_abund_sme	Abundance [X/Fe] of element X	dex	float64	Sect. 3.5
e_x_abund_sme	Uncertainty of abundance [X/Fe] of element X	dex	float64	Sect. 3.5
chi_x_abund_sme	χ² of abundance fit for element X	dex	float64	Sect. 3.5
flag_x_abund_sme	Spectroscopic quality flag for abundance of X	dex	float64	Sect. 3.5
comb_x_abund_sme	Number of spectra used to estimate x_abund_sme	dex	float64	Sect. 3.5
age_5	5th percentile of age posterior distribution	Gyr	float64	ELLI, Sect. 3.3
age_16	16th percentile of age posterior distribution	Gyr	float64	ELLI, Sect. 3.3
age_50	50th percentile of age posterior distribution	Gyr	float64	ELLI, Sect. 3.3
age_84	84th percentile of age posterior distribution	Gyr	float64	ELLI, Sect. 3.3
age_95	95th percentile of age posterior distribution	Gyr	float64	ELLI, Sect. 3.3
age_mean	Mean age τ	Gyr	float64	ELLI, Sect. 3.3
age_std	Uncertainty of age τ	Gyr	float64	ELLI, Sect. 3.3
mass_5	5th percentile of actual mass posterior function	ℳ_⊙	float64	ELLI, Sect. 3.3
mass_16	16th percentile of actual mass posterior function	ℳ_⊙	float64	ELLI, Sect. 3.3
mass_50	50th percentile of actual mass posterior function	ℳ_⊙	float64	ELLI, Sect. 3.3
mass_84	84th percentile of actual mass posterior function	ℳ_⊙	float64	ELLI, Sect. 3.3
mass_95	95th percentile of actual mass posterior function	ℳ_⊙	float64	ELLI, Sect. 3.3
mass_mean	Actual mass m_act (incl. mass loss)	ℳ_⊙	float64	ELLI, Sect. 3.3
mass_std	Uncertainty of actual mass m_act (incl. mass loss)	ℳ_⊙	float64	ELLI, Sect. 3.3
R_kpc	Galactocentric radius	kpc	float64	Sect. 3.6
Phi	Galactocentric azimuth angle	kpc	float64	Sect. 3.6
z_kpc	Height above Galactocentric plane	kpc	float64	Sect. 3.6
vR_kms	Galactocentric radial velocity	km s⁻¹	float64	Sect. 3.6
vT_kms	Galactocentric transversal velocity	km s⁻¹	float64	Sect. 3.6
vz_kms	Galactocentric vertical velocity	km s⁻¹	float64	Sect. 3.6
x_xyz_kpc	Galactocentric cartesian coordinate X	kpc	float64	Sect. 3.6
y_xyz_kpc	Galactocentric cartesian coordinate Y	kpc	float64	Sect. 3.6
z_xyz_kpc	Galactocentric cartesian coordinate Z	kpc	float64	Sect. 3.6
U_LSR	Galactocentric cartesian velocity U	km s⁻¹	float64	Sect. 3.6
V_LSR	Galactocentric cartesian velocity V	km s⁻¹	float64	Sect. 3.6
W_LSR	Galactocentric cartesian velocity W	km s⁻¹	float64	Sect. 3.6
jR_kpckms_mean	Radial action	kpc km s⁻¹	float64	Sect. 3.6
jR_kpckms_std	Uncertainty of radial action	kpc km s⁻¹	float64	Sect. 3.6
Lz_kpckms_mean	Angular momentum/azimuthal action	kpc km s⁻¹	float64	Sect. 3.6
Lz_kpckms_std	Uncertainty of angular momentum/azimuthal action	kpc km s⁻¹	float64	Sect. 3.6
jz_kpckms_mean	Vertical action	kpc km s⁻¹	float64	Sect. 3.6
jz_kpckms_std	Uncertainty of vertical action	kpc km s⁻¹	float64	Sect. 3.6
TD_D	Rel. kinematic probabilities the thick disc-to-thin disc		float64	Sect. 3.6.
TD_H	Rel. kinematic probabilities the thick disc-to-halo		float64	Sect. 3.6.
D_H	Rel. kinematic probabilities the thin disc-to-halo		float64	Sect. 3.6.

Notes. AB+16 and SFD+98 are the abbreviations of Astraatmadja & Bailer-Jones (2016) and Schlegel et al. (1998) respectively.

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