Open Access
Table C.3
Binary catalog information: Selected parameters from the Gaia DR3 NSS catalog
| Parameter | Description |
|---|---|
| source_id | Gaia DR3 source identifier |
| nss_solution_type | Binary solution type |
| Radial Velocity Parameters | |
| radial_velocity | Gaia radial velocity (km/s) |
| radial_velocity_error | Uncertainty in the radial velocity measurement |
| rv_chisq_pvalue | p-value of the chi-square test for radial velocity variability |
| rv_expected_sig_to_noise | Expected signal-to-noise ratio for radial velocity measurements |
| rv_nb_transits | Number of radial velocity transits |
| rv_renormalised_gof | Renormalized goodness of fit for radial velocity solutions |
| Orbital Parameters | |
| period | Orbital period of the binary system (days) |
| eccentricity | Orbital eccentricity |
| semi_amplitude_primary | Semi-amplitude of the radial velocity curve for the primary component (km/s) |
| semi_amplitude_secondary | Semi-amplitude of the radial velocity curve for the secondary component (km/s) |
| Stellar Parameters | |
| m1 | Mass of the primary component (solar masses) |
| m2 | Mass of the secondary component (solar masses) |
| fluxratio | Flux ratio of the secondary to the primary in the G-band (F2/F1) |
Note: For additional details, see the Gaia DR3 documentation: https://gea.esac.esa.int/archive/documentation/GDR3/Gaia_archive/chap_datamodel/sec_dm_non--single_stars_tables/
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