Gaia Source (gaiaedr3.gaia_source)

The table has 1811709771 rows, 100 columns.

Description

This table has an entry for every Gaia observed source as listed in the Main Database accumulating catalogue version from which the catalogue release has been generated. It contains the basic source parameters, that is only final data (no epoch data) and no spectra (neither final nor epoch).

Attribution

If you have used Gaia data in your research, please use the following acknowledgement:

This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement.

More information can be found on the credit and citation instructions page.

Columns

Name Type UCD Unit Description
solution_id long meta.version

Solution Identifier
designation char meta.id
meta.main

Unique source designation (unique across all Data Releases)
source_id long meta.id
meta.main
meta.ref

Unique source identifier (unique within a particular Data Release)
random_index long meta.code

Random index used to select subsets
ref_epoch double meta.ref
time.epoch 		yr

Reference epoch
ra double pos.eq.ra
meta.main 		deg

Right ascension
ra_error float stat.error
pos.eq.ra 		mas

Standard error of right ascension
dec double pos.eq.dec
meta.main 		deg

Declination
dec_error float stat.error
pos.eq.dec 		mas

Standard error of declination
parallax double pos.parallax.trig mas

Parallax
parallax_error float stat.error
pos.parallax.trig 		mas

Standard error of parallax
parallax_over_error float stat.snr
pos.parallax.trig

Parallax divided by its standard error
pm float pos.pm
pos.eq 		mas.yr**-1

Total proper motion
pmra double pos.pm
pos.eq.ra 		mas.yr**-1

Proper motion in right ascension direction
pmra_error float stat.error
pos.pm
pos.eq.ra 		mas.yr**-1

Standard error of proper motion in right ascension direction
pmdec double pos.pm
pos.eq.dec 		mas.yr**-1

Proper motion in declination direction
pmdec_error float stat.error
pos.pm
pos.eq.dec 		mas.yr**-1

Standard error of proper motion in declination direction
ra_dec_corr float stat.correlation

Correlation between right ascension and declination
ra_parallax_corr float stat.correlation

Correlation between right ascension and parallax
ra_pmra_corr float stat.correlation

Correlation between right ascension and proper motion in right ascension
ra_pmdec_corr float stat.correlation

Correlation between right ascension and proper motion in declination
dec_parallax_corr float stat.correlation

Correlation between declination and parallax
dec_pmra_corr float stat.correlation

Correlation between declination and proper motion in right ascension
dec_pmdec_corr float stat.correlation

Correlation between declination and proper motion in declination
parallax_pmra_corr float stat.correlation

Correlation between parallax and proper motion in right ascension
parallax_pmdec_corr float stat.correlation

Correlation between parallax and proper motion in declination
pmra_pmdec_corr float stat.correlation

Correlation between proper motion in right ascension and proper motion in declination
astrometric_n_obs_al short meta.number

Total number of observations AL
astrometric_n_obs_ac short meta.number

Total number of observations AC
astrometric_n_good_obs_al short meta.number

Number of good observations AL
astrometric_n_bad_obs_al short meta.number

Number of bad observations AL
astrometric_gof_al float stat.fit.goodness

Goodness of fit statistic of model wrt along-scan observations
astrometric_chi2_al float stat.fit.chi2

AL chi-square value
astrometric_excess_noise float stat.value mas

Excess noise of the source
astrometric_excess_noise_sig float stat.value

Significance of excess noise
astrometric_params_solved short meta.number

Which parameters have been solved for?
astrometric_primary_flag boolean meta.code

Primary or seconday
nu_eff_used_in_astrometry float em.wavenumber um**-1

Effective wavenumber of the source used in the astrometric solution
pseudocolour float em.wavenumber um**-1

Astrometrically estimated pseudocolour of the source
pseudocolour_error float stat.error
em.wavenumber 		um**-1

Standard error of the pseudocolour of the source
ra_pseudocolour_corr float stat.correlation
em.wavenumber
pos.eq.ra

Correlation between right ascension and pseudocolour
dec_pseudocolour_corr float stat.correlation
em.wavenumber
pos.eq.dec

Correlation between declination and pseudocolour
parallax_pseudocolour_corr float stat.correlation
em.wavenumber
pos.parallax

Correlation between parallax and pseudocolour
pmra_pseudocolour_corr float stat.correlation
em.wavenumber
pos.pm
pos.eq.ra

Correlation between proper motion in right asension and pseudocolour
pmdec_pseudocolour_corr float stat.correlation
em.wavenumber
pos.pm
pos.eq.dec

Correlation between proper motion in declination and pseudocolour
astrometric_matched_transits short meta.number

Matched FOV transits used in the AGIS solution
visibility_periods_used short meta.number

Number of visibility periods used in Astrometric solution
astrometric_sigma5d_max float stat
pos.errorEllipse 		mas

The longest semi-major axis of the 5-d error ellipsoid
matched_transits short meta.number

The number of transits matched to this source
new_matched_transits short meta.number

The number of transits newly incorporated into an existing source in the current cycle
matched_transits_removed short meta.number

The number of transits removed from an existing source in the current cycle
ipd_gof_harmonic_amplitude float stat.value

Amplitude of the IPD GoF versus position angle of scan
ipd_gof_harmonic_phase float pos.posAng
stat.value 		deg

Phase of the IPD GoF versus position angle of scan
ipd_frac_multi_peak short stat.value

Percent of successful-IPD windows with more than one peak
ipd_frac_odd_win short stat.value

Percent of transits with truncated windows or multiple gate
ruwe float stat.error

Renormalised unit weight error
scan_direction_strength_k1 float stat.value

Degree of concentration of scan directions across the source
scan_direction_strength_k2 float stat.value

Degree of concentration of scan directions across the source
scan_direction_strength_k3 float stat.value

Degree of concentration of scan directions across the source
scan_direction_strength_k4 float stat.value

Degree of concentration of scan directions across the source
scan_direction_mean_k1 float pos.posAng
stat.mean 		deg

Mean position angle of scan directions across the source
scan_direction_mean_k2 float pos.posAng
stat.mean 		deg

Mean position angle of scan directions across the source
scan_direction_mean_k3 float pos.posAng
stat.mean 		deg

Mean position angle of scan directions across the source
scan_direction_mean_k4 float pos.posAng
stat.mean 		deg

Mean position angle of scan directions across the source
duplicated_source boolean meta.code.status

Source with multiple source identifiers
phot_g_n_obs short meta.number

Number of observations contributing to G photometry
phot_g_mean_flux double phot.flux
em.opt 		"electron".s**-1

G-band mean flux
phot_g_mean_flux_error float stat.error
phot.flux
em.opt 		"electron".s**-1

Error on G-band mean flux
phot_g_mean_flux_over_error float stat.snr
phot.flux
em.opt

G-band mean flux divided by its error
phot_g_mean_mag float phot.mag
em.opt 		mag

G-band mean magnitude
phot_bp_n_obs short meta.number

Number of observations contributing to BP photometry
phot_bp_mean_flux double phot.flux
em.opt.B 		"electron".s**-1

Integrated BP mean flux
phot_bp_mean_flux_error float stat.error
phot.flux
em.opt.B 		"electron".s**-1

Error on the integrated BP mean flux
phot_bp_mean_flux_over_error float stat.snr
phot.flux
em.opt.B

Integrated BP mean flux divided by its error
phot_bp_mean_mag float phot.mag
em.opt.B 		mag

Integrated BP mean magnitude
phot_rp_n_obs short meta.number

Number of observations contributing to RP photometry
phot_rp_mean_flux double phot.flux
em.opt.R 		"electron".s**-1

Integrated RP mean flux
phot_rp_mean_flux_error float stat.error
phot.flux
em.opt.R 		"electron".s**-1

Error on the integrated RP mean flux
phot_rp_mean_flux_over_error float stat.snr
phot.flux
em.opt.R

Integrated RP mean flux divided by its error
phot_rp_mean_mag float phot.mag
em.opt.R 		mag

Integrated RP mean magnitude
phot_bp_n_contaminated_transits short meta.number

Number of BP contaminated transits
phot_bp_n_blended_transits short meta.number

Number of BP blended transits
phot_rp_n_contaminated_transits short meta.number

Number of RP contaminated transits
phot_rp_n_blended_transits short meta.number

Number of RP blended transits
phot_proc_mode short meta.code

Photometry processing mode
phot_bp_rp_excess_factor float arith.factor
phot.flux
em.opt

BP/RP excess factor
bp_rp float phot.color
em.opt.B
em.opt.R 		mag

BP - RP colour
bp_g float phot.color
em.opt.B
em.opt 		mag

BP - G colour
g_rp float phot.color
em.opt
em.opt.R 		mag

G - RP colour
dr2_radial_velocity float spect.dopplerVeloc.opt
em.opt.I 		km.s**-1

Radial velocity from Gaia DR2
dr2_radial_velocity_error float stat.error
spect.dopplerVeloc.opt
em.opt.I 		km.s**-1

Radial velocity error from Gaia DR2
dr2_rv_nb_transits short meta.number

Number of transits used to compute radial velocity in Gaia DR2
dr2_rv_template_teff float stat.fit.param K

Teff of the template used to compute radial velocity in Gaia DR2
dr2_rv_template_logg float stat.fit.param log(cm.s**-2)

logg of the template used to compute radial velocity in Gaia DR2
dr2_rv_template_fe_h float stat.fit.param "dex"

Fe/H of the template used to compute radial velocity in Gaia DR2
l double pos.galactic.lon deg

Galactic longitude
b double pos.galactic.lat deg

Galactic latitude
ecl_lon double pos.ecliptic.lon deg

Ecliptic longitude
ecl_lat double pos.ecliptic.lat deg

Ecliptic latitude
pos