Auxiliary data - Gaia
Any data that is provided to support the use of Gaia data or explain the Gaia Data Processing and Analysis in more depth are summarised below:
The photometric system of Gaia
Pre-launch passbands (applicable to Gaia DR1)
Gaia scanning law pointings for the time period of Gaia EDR3 are available from the Gaia Archive.
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 Gaia DR2 crossmatch: Hipparcos2 here.
Overview of gaps in Gaia DR2 data
A description and overview of gaps in the data stream that underlies the Gaia DR2 data products can be found here.