Gaia DR2 auxiliary data - Gaia
Gaia DR2 auxiliary data
The photometric system of Gaia applicable to Gaia DR2
Overview of gaps in Gaia DR2 data
A description and overview of gaps in the data stream that underlies the Gaia data products is given here.
Auxiliary data on Astrometry: Considerations for the use of DR2 astrometry
Find auxiliary data provided by L. Lindegren along with his presentation "Considerations for the use of DR2 astrometry" here.
Auxiliary data on crossmatches
Find auxiliary data on the Gaia DR2 crossmatch with Hipparcos-2 here.