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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 plots12.3 Photometry12.5 Parallaxes

12.4 Positions

Figure 12.11: HEALPix map of α error (larger), and δ error (larger).

Figure 12.12: Histogram of α error (larger), and δ error (larger).

Figure 12.13: Histogram of α error (larger), and δ error (larger) as a function of G magnitude.
12.3 Photometry Bibliography  12.5 Parallaxes
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