Astrometric, photometric, and astrophysical data from the Gaia DR3 catalog for cross-matched objects, including positions, proper motions, parallaxes, G/BP/RP-band photometry, radial velocities, and GSP-Phot stellar parameters.
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Table Description:
Astrometric, photometric, and astrophysical data from the Gaia DR3 catalog for cross-matched objects, including positions, proper motions, parallaxes, G/BP/RP-band photometry, radial velocities, and GSP-Phot stellar parameters.
This table is available for ADQL queries and through the TAP endpoint.
Resource Description:
Multi-survey astronomical object catalog containing astrometric and statistical information from multiple surveys. This table provides aggregated properties for astronomical objects including position, detection statistics, and temporal coverage.
For a list of all services and tables belonging to this table's resource, see Information on resource 'ALeRCE Multi-Survey Object Catalog'
To cite the table as such, we suggest the following BibTeX entry:
![[Operator logo]](/static/img/logo_medium.png){kind=logo}
@MISC{vo:alerce_tap_gaiad,
year=2026,
title={Gaia DR3 Catalog Data},
author={{ALeRCE} Team},
url={http://tap.alerce.online/tableinfo/alerce_tap.gaiadr3_source},
howpublished={{VO} resource provided by the {ALeRCE} {TAP} service}
}
Sorted by DB column index. [Sort alphabetically]
| Name | Table Head | Description | Unit | UCD |
|---|---|---|---|---|
| oid_catalog | Oid_catalog | Object identifier in the Gaia DR3 catalog (source_id) | N/A | meta.id.cross |
| ra | Ra | Right ascension from Gaia DR3 | deg | pos.eq.ra |
| ra_error | Ra_error | Uncertainty in right ascension from Gaia DR3 | mas | stat.error;pos.eq.ra |
| dec | Dec | Declination from Gaia DR3 | deg | pos.eq.dec |
| dec_error | Dec_error | Uncertainty in declination from Gaia DR3 | mas | stat.error;pos.eq.dec |
| parallax | Parallax | Parallax from Gaia DR3 | mas | pos.parallax.trig |
| parallax_error | Parallax_error | Uncertainty in parallax from Gaia DR3 | mas | stat.error;pos.parallax.trig |
| pm | Pm | Total proper motion from Gaia DR3 | mas/yr | pos.pm |
| pmra | Pmra | Proper motion in right ascension from Gaia DR3 | mas/yr | pos.pm;pos.eq.ra |
| pmra_error | Pmra_error | Uncertainty in proper motion in right ascension from Gaia DR3 | mas/yr | stat.error;pos.pm;pos.eq.ra |
| pmdec | Pmdec | Proper motion in declination from Gaia DR3 | mas/yr | pos.pm;pos.eq.dec |
| pmdec_error | Pmdec_error | Uncertainty in proper motion in declination from Gaia DR3 | mas/yr | stat.error;pos.pm;pos.eq.dec |
| astrometric_excess_noise | Astrometric_excess_noise | Astrometric excess noise from Gaia DR3 | mas | stat.fit.residual |
| astrometric_excess_noise_sig | Astrometric_excess_noise_sig | Significance of astrometric excess noise from Gaia DR3 | N/A | stat.snr;stat.fit.residual |
| ruwe | Ruwe | Renormalized unit weight error (RUWE) from Gaia DR3 | N/A | stat.fit.goodness |
| phot_g_n_obs | Phot_g_n_obs | Number of G-band observations used in photometry from Gaia DR3 | N/A | meta.number;obs;em.opt.V |
| phot_g_mean_flux_over_error | Phot_g_mean_flux_over_error | Mean G-band flux signal-to-noise ratio from Gaia DR3 | N/A | stat.snr;phot.flux;em.opt.V |
| phot_g_mean_mag | Phot_g_mean_mag | Mean G-band magnitude from Gaia DR3 | mag | phot.mag;em.opt.V |
| phot_bp_n_obs | Phot_bp_n_obs | Number of BP-band observations used in photometry from Gaia DR3 | N/A | meta.number;obs;em.opt.B |
| phot_bp_mean_flux_over_error | Phot_bp_mean_flux_over_error | Mean BP-band flux signal-to-noise ratio from Gaia DR3 | N/A | stat.snr;phot.flux;em.opt.B |
| phot_bp_mean_mag | Phot_bp_mean_mag | Mean BP-band magnitude from Gaia DR3 | mag | phot.mag;em.opt.B |
| phot_rp_n_obs | Phot_rp_n_obs | Number of RP-band observations used in photometry from Gaia DR3 | N/A | meta.number;obs;em.opt.R |
| phot_rp_mean_flux_over_error | Phot_rp_mean_flux_over_error | Mean RP-band flux signal-to-noise ratio from Gaia DR3 | N/A | stat.snr;phot.flux;em.opt.R |
| phot_rp_mean_mag | Phot_rp_mean_mag | Mean RP-band magnitude from Gaia DR3 | mag | phot.mag;em.opt.R |
| phot_bp_rp_excess_factor | Phot_bp_rp_excess_factor | BP/RP excess factor from Gaia DR3 | N/A | arith.factor;phot.flux;em.opt |
| phot_proc_mode | Phot_proc_mode | Photometry processing mode from Gaia DR3 | N/A | meta.code |
| bp_rp | Bp_rp | BP-RP colour from Gaia DR3 | mag | phot.color;em.opt.B;em.opt.R |
| bp_g | Bp_g | BP-G colour from Gaia DR3 | mag | phot.color;em.opt.B;em.opt.V |
| g_rp | G_rp | G-RP colour from Gaia DR3 | mag | phot.color;em.opt.V;em.opt.R |
| radial_velocity | Radial_velocity | Radial velocity from Gaia DR3 | km/s | spect.dopplerVeloc.opt |
| radial_velocity_error | Radial_velocity_error | Uncertainty in radial velocity from Gaia DR3 | km/s | stat.error;spect.dopplerVeloc.opt |
| rv_method_used | Rv_method_used | Method used for radial velocity determination in Gaia DR3 | N/A | meta.code |
| phot_variable_flag | Phot_variable_flag | Photometric variability flag from Gaia DR3 | N/A | meta.code;src.var |
| in_qso_candidates | In_qso_candidates | Flag indicating if source is in Gaia DR3 QSO candidate list | N/A | meta.code |
| in_galaxy_candidates | In_galaxy_candidates | Flag indicating if source is in Gaia DR3 galaxy candidate list | N/A | meta.code |
| non_single_star | Non_single_star | Flag indicating if source is a non-single star in Gaia DR3 | N/A | meta.code |
| has_epoch_photometry | Has_epoch_photometry | Flag indicating if epoch photometry is available in Gaia DR3 | N/A | meta.code |
| classprob_dsc_combmod_quasar | Classprob_dsc_combmod_quasar | DSC-Combmod probability of being a quasar from Gaia DR3 | N/A | stat.probability;src.class.qso |
| classprob_dsc_combmod_galaxy | Classprob_dsc_combmod_galaxy | DSC-Combmod probability of being a galaxy from Gaia DR3 | N/A | stat.probability;src.class.galaxy |
| classprob_dsc_combmod_star | Classprob_dsc_combmod_star | DSC-Combmod probability of being a star from Gaia DR3 | N/A | stat.probability;src.class.star |
| teff_gspphot | Teff_gspphot | Effective temperature from GSP-Phot Aeneas (Gaia DR3) | K | phys.temperature.effective |
| teff_gspphot_lower | Teff_gspphot_lower | Lower confidence interval of effective temperature from GSP-Phot (Gaia DR3) | K | stat.min;phys.temperature.effective |
| teff_gspphot_upper | Teff_gspphot_upper | Upper confidence interval of effective temperature from GSP-Phot (Gaia DR3) | K | stat.max;phys.temperature.effective |
| logg_gspphot | Logg_gspphot | Surface gravity from GSP-Phot Aeneas (Gaia DR3) | log(cm/s**2) | phys.gravity |
| logg_gspphot_lower | Logg_gspphot_lower | Lower confidence interval of surface gravity from GSP-Phot (Gaia DR3) | log(cm/s**2) | stat.min;phys.gravity |
| logg_gspphot_upper | Logg_gspphot_upper | Upper confidence interval of surface gravity from GSP-Phot (Gaia DR3) | log(cm/s**2) | stat.max;phys.gravity |
| mh_gspphot | Mh_gspphot | Iron abundance [M/H] from GSP-Phot Aeneas (Gaia DR3) | dex | phys.abund.Z |
| mh_gspphot_lower | Mh_gspphot_lower | Lower confidence interval of [M/H] from GSP-Phot (Gaia DR3) | dex | stat.min;phys.abund.Z |
| mh_gspphot_upper | Mh_gspphot_upper | Upper confidence interval of [M/H] from GSP-Phot (Gaia DR3) | dex | stat.max;phys.abund.Z |
| distance_gspphot | Distance_gspphot | Distance from GSP-Phot Aeneas (Gaia DR3) | pc | pos.distance |
| distance_gspphot_lower | Distance_gspphot_lower | Lower confidence interval of distance from GSP-Phot (Gaia DR3) | pc | stat.min;pos.distance |
| distance_gspphot_upper | Distance_gspphot_upper | Upper confidence interval of distance from GSP-Phot (Gaia DR3) | pc | stat.max;pos.distance |
Columns that are parts of indices are marked like this.
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