Variable Sources: Eclipsing Binaries (gaiadr3.vari_eclipsing_binary)
The table has 2184477 rows, 39 columns.
Description
This table describes the properties of the eclipsing binaries resulting from the variability analysis.
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 |
|
source_id | long |
meta.id meta.main meta.ref |
Unique source identifier |
|
global_ranking | float | stat.param |
Number between 0 (worst) and 1 (best) |
|
reference_time | double | time.epoch | d |
Reference time used for the geometric model fit |
frequency | double | src.orbital | d**-1 |
Frequency of geometric model of the eclipsing binary light curve |
frequency_error | float | stat.error | d**-1 |
Uncertainty of frequency |
geom_model_reference_level | float |
phot.mag em.opt |
mag |
Magnitude reference level of geometric model |
geom_model_reference_level_error | float |
stat.error phot.mag em.opt |
mag |
Uncertainty of geomModelReferenceLevel |
geom_model_gaussian1_phase | float | time.phase |
Phase of the Gaussian 1 component |
|
geom_model_gaussian1_phase_error | float |
stat.error time.phase |
Uncertainty of geomModelGaussian1Phase |
|
geom_model_gaussian1_sigma | float | stat.stdev |
Standard deviation [phase] of Gaussian 1 component |
|
geom_model_gaussian1_sigma_error | float | stat.error |
Uncertainty of geomModelGaussian1Sigma |
|
geom_model_gaussian1_depth | float | src.var.amplitude | mag |
Magnitude depth of Gaussian 1 component |
geom_model_gaussian1_depth_error | float |
stat.error src.var.amplitude |
mag |
Uncertainty of geomModelGaussian1Depth |
geom_model_gaussian2_phase | float | time.phase |
Phase of Gaussian 2 component |
|
geom_model_gaussian2_phase_error | float |
stat.error time.phase |
Uncertainty of geomModelGaussian2Phase |
|
geom_model_gaussian2_sigma | float | stat.stdev |
Standard deviation [phase] of Gaussian 2 component |
|
geom_model_gaussian2_sigma_error | float | stat.error |
Uncertainty of geomModelGaussian2Sigma |
|
geom_model_gaussian2_depth | float | src.var.amplitude | mag |
Magnitude depth of Gaussian2 component |
geom_model_gaussian2_depth_error | float |
stat.error src.var.amplitude |
mag |
Uncertainty of geomModelGaussian2Depth |
geom_model_cosine_half_period_amplitude | float | src.var.amplitude | mag |
Amplitude of the cosine component with half the period of the geometric model |
geom_model_cosine_half_period_amplitude_error | float |
stat.error src.var.amplitude |
mag |
Uncertainty of geomModelCosineHalfPeriodAmplitude |
geom_model_cosine_half_period_phase | float | time.phase |
Reference phase of the cosine component with half the period of the geometric model |
|
geom_model_cosine_half_period_phase_error | float |
stat.error time.phase |
Uncertainty of geomModelCosineHalfPeriodPhase |
|
model_type | char | meta.code.class |
Type of geometrical model of the light curve |
|
num_model_parameters | short | stat.fit.param |
Number of free parameters of the geometric model |
|
reduced_chi2 | float | stat.fit.chi2 |
Reduced Chi2 of the geometrical model fit |
|
derived_primary_ecl_phase | float | time.phase |
Primary eclipse: phase at geometrically deepest point |
|
derived_primary_ecl_phase_error | float |
stat.error time.phase |
Primary eclipse: uncertainty of derivedPrimaryEclPhase |
|
derived_primary_ecl_duration | float | time.duration |
Primary eclipse: duration [phase fraction] |
|
derived_primary_ecl_duration_error | float |
stat.error time.duration |
Primary eclipse: uncertainty of derivedPrimaryEclDuration |
|
derived_primary_ecl_depth | float | src.var.amplitude | mag |
Primary eclipse: depth |
derived_primary_ecl_depth_error | float |
stat.error src.var.amplitude |
mag |
Primary eclipse: uncertainty of derivedPrimaryEclDepth |
derived_secondary_ecl_phase | float | time.phase |
Secondary eclipse: phase at geometrically second deepest point |
|
derived_secondary_ecl_phase_error | float |
stat.error time.phase |
Secondary eclipse: uncertainty of derivedSecondaryEclPhase |
|
derived_secondary_ecl_duration | float | time.duration |
Secondary eclipse: duration [phase fraction] |
|
derived_secondary_ecl_duration_error | float |
stat.error time.duration |
Secondary eclipse: uncertainty of derivedSecondaryEclDuration |
|
derived_secondary_ecl_depth | float | src.var.amplitude | mag |
Secondary eclipse: depth |
derived_secondary_ecl_depth_error | float |
stat.error src.var.amplitude |
mag |
Secondary eclipse: uncertainty of derivedSecondaryEclDepth |