astrometric standard
C27842
concept
An astrometric standard is a celestial object with precisely known position and motion used as a reference to calibrate and validate astrometric measurements.
Observed surface forms (1)
- Hipparcos catalog star ×7
Instances (8)
- International Celestial Reference System
- HIP 89931 via concept surface "Hipparcos catalog star"
- HIP 25930 via concept surface "Hipparcos catalog star"
- HIP 26311 via concept surface "Hipparcos catalog star"
- HIP 44066 via concept surface "Hipparcos catalog star"
- HIP 61084 via concept surface "Hipparcos catalog star"
- HIP 107556 via concept surface "Hipparcos catalog star"
- HIP 105515 via concept surface "Hipparcos catalog star"