• European Space Agency

  • Science & Technology
GAIA DATA RELEASE DOCUMENTATION
Gaia Data Release 1 Documentation release 1.2
  • Gaia Data Release 1 Documentation release 1.2
    • I Introduction to Gaia DR1
    • II Gaia data processing
      • 2 Astrometric and photometric pre-processing
      • 3 Astrometry
      • 4 The Tycho-Gaia Astrometric Solution (TGAS)
        • 4.1 Introduction
        • 4.2 Properties of the input data
        • 4.3 Processing steps
        • 4.4 Quality assessment and validation
      • 5 Photometry
    • III Gaia data analysis
    • IV Gaia catalogue consolidation
    • Miscellaneous
    • Bibliography
II Gaia data processing3.5 Quality assessment and validation4.1 Introduction

Chapter 4 The Tycho-Gaia Astrometric Solution (TGAS)

  • 4.1 Introduction
  • 4.2 Properties of the input data
  • 4.3 Processing steps
  • 4.4 Quality assessment and validation
3.5 Quality assessment and validation Bibliography  4.1 Introduction
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