Gaia Data Release 2. The celestial reference frame (Gaia-CRF2)

Earth and Planetary Sciences

• Agreement 14%
• Celestial Reference Systems 14%
• Datum 100%
• Difference 14%
• Equator 14%
• Error 14%
• Expansion 14%
• Frame 100%
• Magnitude 14%
• Parameter 14%
• Point Source 14%
• Prescription 14%
• Prototype 28%
• Radio 42%
• Sample 28%
• Show 14%
• Taxonomy 14%
• Vector 14%
• Very Long Baseline Interferometry 28%
• Whirl 42%

Physics

• Celestial Reference Systems 14%
• Differences 14%
• Expansion 14%
• Galaxy Equators 14%
• Independent Variables 14%
• Magnitude 14%
• Optical Position 28%
• Point Source 14%
• Quasar 85%
• Rotation 42%
• Very Long Base Interferometry 28%

Nursing and Health Professions

• Density 14%
• Error 14%
• Parameters 14%
• Prescription 14%
• Sample 28%
• Taxonomy 14%