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Table 2.
Data fields in the Gaia DR3 table of eclipsing binaries (Gaia DR3 table vari_eclipsing_binary), with their units (Col. 2), the mathematical symbol used in this paper (if used, Col. 3), and a short description (Col. 4).
| Data field name | Unit | Symbol | Description |
|---|---|---|---|
| source_id | – | Unique source identifier of the EB candidate | |
| model_type | – | Geometric model type fitting the G light curve (Table 1) | |
| num_model_parameters | – | Number of free parameters of the geometric model | |
| global_ranking | – | Number between 0 (worst) and 1 (best) | |
| reduced_chi2 | – |  |
Reduced χ2 of the geometric model fit |
| frequency | day−1 | forb = 1/Porb | Orbital frequency of the EB |
| frequency_error | day−1 | forb, err | Uncertainty on the orbital frequency |
| reference_time | BJD (a) | T0 | Reference time for the geometric model fit |
| geom_model_reference_level | mag | C | Magnitude reference level of geometric model |
| geom_model_reference_level_error | mag | Uncertainty on geom_model_reference_level_error | |
| geom_model_gaussian1_phase | – | μ1 | Phase of Gaussian 1 (b) |
| geom_model_gaussian1_phase_error | – | Uncertainty on geom_model_gaussian1_phase_error(b) | |
| geom_model_gaussian1_sigma | – | σ1 | Width (standard deviation, in phase) of Gaussian 1 (b) |
| geom_model_gaussian1_sigma_error | – | Uncertainty on geom_model_gaussian1_sigma_error(b) | |
| geom_model_gaussian1_depth | mag | d1 | Depth of Gaussian 1 (b) |
| geom_model_gaussian1_depth_error | mag | Uncertainty on geom_model_gaussian1_depth_error(b) | |
| geom_model_gaussian2_phase | – | μ2 | Phase of Gaussian 2 (c) |
| geom_model_gaussian2_phase_error | – | Uncertainty on geom_model_gaussian2_phase_error(c) | |
| geom_model_gaussian2_sigma | – | σ2 | Width (standard deviation, in phase) of Gaussian 2 (c) |
| geom_model_gaussian2_sigma_error | – | Uncertainty on geom_model_gaussian2_sigma_error(c) | |
| geom_model_gaussian2_depth | mag | d2 | Depth of Gaussian 2 (c) |
| geom_model_gaussian2_depth_error | mag | Uncertainty on geom_model_gaussian2_depth_error(c) | |
| geom_model_cosine_half_period_amplitude | mag | Aell | Amplitude (half peak-to-peak) of the cosine component |
| with half the period of the geometric model (d) | |||
| geom_model_cosine_half_period_amplitude_error | mag | Uncertainty on geom_model_cosine_half_period_amplitude(d) | |
| geom_model_cosine_half_period_phase | mag | μell | Phase of the cosine component |
| with half the period of the geometric model (e) | |||
| geom_model_cosine_half_period_phase_error | mag | Uncertainty on geom_model_cosine_half_period_phase(e) | |
| derived_primary_ecl_phase | – | φecl, 1 | Phase location at geometrically deepest point (b) |
| derived_primary_ecl_phase_error | – | ε(φecl, 1) | Uncertainty on derived_primary_ecl_phase(b) |
| derived_primary_ecl_duration | – | wecl, 1 | Phase duration of deepest eclipse in phase fraction (b) |
| derived_primary_ecl_duration_error | – | ε(wecl, 1) | Uncertainty on derived_primary_ecl_duration(b) |
| derived_primary_ecl_depth | mag | decl, 1 | Depth of deepest eclipse (b). |
| derived_primary_ecl_depth_error | mag | Uncertainty on derived_primary_ecl_depth(b) | |
| derived_secondary_ecl_phase | – | φecl, 2 | Phase location at geometrically second deepest point (c) |
| derived_secondary_ecl_phase_error | – | ε(φecl, 2) | Uncertainty on derived_secondary_ecl_phase(c) |
| derived_secondary_ecl_duration | – | wecl, 2 | Phase duration of second-deepest eclipse in phase fraction (c) |
| derived_secondary_ecl_duration_error | – | ε(wecl, 2) | Uncertainty on derived_secondary_ecl_duration(c) |
| derived_secondary_ecl_depth | mag | decl, 2 | Depth of second-deepest eclipse (c) |
| derived_secondary_ecl_depth_error | mag | Uncertainty on derived_secondary_ecl_depth(c) | |
Notes.
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