European Space Agency
Science & Technology
GAIA DATA RELEASE DOCUMENTATION
Gaia Data Release 2
Documentation release 1.2
Gaia Data Release 2
Documentation release 1.2
I
Introduction to Gaia DR2
II
Gaia data processing
III
Gaia data analysis
IV
Gaia catalogue
V
Gaia archive
13
Construction of the archive
14
Datamodel description
14.1
Main tables
14.2
SSO tables
14.3
Variability tables
14.4
External catalogues
14.5
Crossmatches
14.5.1
allwise_best_neighbour
14.5.2
allwise_neighbourhood
14.5.3
apassdr9_best_neighbour
14.5.4
apassdr9_neighbourhood
14.5.5
gsc23_best_neighbour
14.5.6
gsc23_neighbourhood
14.5.7
hipparcos2_best_neighbour
14.5.8
hipparcos2_neighbourhood
14.5.9
panstarrs1_best_neighbour
14.5.10
panstarrs1_neighbourhood
14.5.11
ppmxl_best_neighbour
14.5.12
ppmxl_neighbourhood
14.5.13
ravedr5_best_neighbour
14.5.14
ravedr5_neighbourhood
14.5.15
sdssdr9_best_neighbour
14.5.16
sdssdr9_neighbourhood
14.5.17
tmass_best_neighbour
14.5.18
tmass_neighbourhood
14.5.19
tycho2_best_neighbour
14.5.20
tycho2_neighbourhood
14.5.21
urat1_best_neighbour
14.5.22
urat1_neighbourhood
14.6
Auxiliary tables
14.7
Datalink tables
Miscellaneous
Bibliography
14
Datamodel description
14.4.9
urat1_original_valid
14.5.1
allwise_best_neighbour
14.5
Crossmatches
14.5.1
allwise_best_neighbour
14.5.2
allwise_neighbourhood
14.5.3
apassdr9_best_neighbour
14.5.4
apassdr9_neighbourhood
14.5.5
gsc23_best_neighbour
14.5.6
gsc23_neighbourhood
14.5.7
hipparcos2_best_neighbour
14.5.8
hipparcos2_neighbourhood
14.5.9
panstarrs1_best_neighbour
14.5.10
panstarrs1_neighbourhood
14.5.11
ppmxl_best_neighbour
14.5.12
ppmxl_neighbourhood
14.5.13
ravedr5_best_neighbour
14.5.14
ravedr5_neighbourhood
14.5.15
sdssdr9_best_neighbour
14.5.16
sdssdr9_neighbourhood
14.5.17
tmass_best_neighbour
14.5.18
tmass_neighbourhood
14.5.19
tycho2_best_neighbour
14.5.20
tycho2_neighbourhood
14.5.21
urat1_best_neighbour
14.5.22
urat1_neighbourhood
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