Gravitational Lensing candidates (gaiafpr.lens_candidates)

The table has 4796531 rows, 17 columns.


This table contains the sources identified as possible gravitational lens candidates based on an analysis of the observations in the neighbourhoud of a list of sources selected from a compilation of quasar candidates. Information about the catalogues from which these quasars proceed is given in the table of lens catalogue names.For each {\tt sourceId}, a list of components found around that source is tabulated, together with some information about their position and flux as derived from the cluster of observations associated with each of them. These individual observations are provided in \texttt{LensObservations}.A separate table \texttt{LensOutliers} compiles all those observations that could not be associated to a component around a given sourceId, and that have therefore been discarded from the analysis.


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This work has made use of data from the European Space Agency (ESA) mission Gaia (, processed by the Gaia Data Processing and Analysis Consortium (DPAC, Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement.

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Name Type UCD Unit Description
solution_id long meta.version

Solution Identifier

source_id long

Unique source identifier

name char

The name of the gravitational lens candidate

flag short meta.code.status

GravLens flag

n_components int meta.number

Number of components

component_id int

Index of the component for this sourceId

n_obs_component short meta.number

Number of valid observations used for this component

component_flag short meta.code.status

Component object flag

ra_component double pos.eq.ra deg

Mean right ascension of the component

ra_std_component float stat.error

Standard deviation of the right ascension of the component

dec_component double pos.eq.dec deg

Mean declination of the clusters of measurements

dec_std_component float stat.error

Standard deviation of the declination measurements

g_flux_component double phot.flux

Mean G flux of the component

g_flux_component_error float stat.error

Uncertainty of the mean flux value for this component

g_mag_component float phot.mag

Mean onboard G magnitude of the component

g_mag_std_component float stat.error

Standard deviation of the onboard G magnitude of the component

pos char