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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
      • 9 Catalogue consolidation
      • 10 Catalogue validation
      • 11 Cross-match with GDR1
      • 12 Catalogue statistics and plots
        • 12.1 Introduction
        • 12.2 Sky Density
        • 12.3 Photometry
        • 12.4 Positions
        • 12.5 Parallaxes
        • 12.6 Proper motions
        • 12.7 Astrometric correlations
        • 12.8 Observations
        • 12.9 Radial Velocity
        • 12.10 Astrophysical parameters
        • 12.11 Other astrometric parameters
    • V Gaia archive
    • Miscellaneous
    • Bibliography
12 Catalogue statistics and plots12.7 Astrometric correlations12.9 Radial Velocity

12.8 Observations

Figure 12.25: Histogram 2D astrometric good observations along scan (larger), astrometric matched observations (larger), G magnitude observations (larger), GBP magnitude observations (larger), GRP magnitude observations (larger), and Vrad number of transits (larger) as a function of G magnitude.

Figure 12.26: HEALPix map of astrometric good observations along scan (larger), and astrometric matched observations (larger).
12.7 Astrometric correlations Bibliography  12.9 Radial Velocity
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