continuous BP/RP spectra (Xp Spectra) (gaiadr3.xp_continuous_mean_spectrum)

The table has 219197643 rows, 26 columns.

Description

Table hosting the mean BP and RP spectra based on the continuous representation in basis functions (see Section meanSpecGen).

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
source_id long meta.id
meta.main
meta.ref

Unique source identifier (unique within a particular Data Release)

solution_id long meta.version

Solution Identifier

bp_basis_function_id short meta.id

Identifier defining the set of basis functions for the BP spectrum representation

bp_degrees_of_freedom short stat.fit.dof

Degrees of freedom for the BP spectrum representation

bp_n_parameters short stat.fit.param

Number of parameters for the BP spectrum representation

bp_n_measurements short meta.number

Number of measurements used for the BP spectrum generation

bp_n_rejected_measurements short meta.number

Number of rejected measurements in the BP spectrum generation

bp_standard_deviation float stat.stdev

Standard deviation for the BP spectrum representation

bp_chi_squared float stat.fit.chi2

Chi squared for the BP spectrum representation

bp_coefficients double[] stat.fit.param

Basis function coefficients for the BP spectrum representation

bp_coefficient_errors float[] stat.error

Basis function coefficient errors for the BP spectrum representation

bp_coefficient_correlations float[] stat.correlation

Correlation matrix for BP coefficients

bp_n_relevant_bases short meta.number

Number of bases that are relevant for the representation of this mean BP spectrum

bp_relative_shrinking float stat.fit.param

Measure of the relative shrinking of the coefficient vector when truncation is applied for the mean BP spectrum

rp_basis_function_id short meta.number

Identifier defining the set of basis functions for the BP spectrum representation

rp_degrees_of_freedom short stat.fit.dof

Degrees of freedom for the RP spectrum representation

rp_n_parameters short stat.fit.param

Number of parameters for the RP spectrum representation

rp_n_measurements short meta.number

Number of measurements used for the RP spectrum generation

rp_n_rejected_measurements short meta.number

Number of rejected measurements in the RP spectrum generation

rp_standard_deviation float stat.stdev

Standard deviation for the RP spectrum representation

rp_chi_squared float stat.fit.chi2

Chi squared for the RP spectrum representation

rp_coefficients double[] stat.fit.param

Basis function coefficients for the RP spectrum representation

rp_coefficient_errors float[] stat.error

Basis function coefficient errors for the RP spectrum representation

rp_coefficient_correlations float[] stat.correlation

Correlation matrix for RP coefficients

rp_n_relevant_bases short meta.number

Number of bases that are relevant for the representation of this mean RP spectrum

rp_relative_shrinking float meta.number

Measure of the relative shrinking of the coefficient vector when truncation is applied for the mean RP spectrum