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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Hipparcos catalog star | 7 |
| astrometric standard canonical | 1 |
Description generation (CDg)
The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.
Instruction
generate a one-sentence description for a given conceptual class. # Response Format Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: astrometric standard
Generated description
An astrometric standard is a celestial object with precisely known position and motion used as a reference to calibrate and validate astrometric measurements.
Instances (8)
| Instance | Via concept surface |
|---|---|
| International Celestial Reference System | — |
| HIP 89931 | Hipparcos catalog star |
| HIP 25930 | Hipparcos catalog star |
| HIP 26311 | Hipparcos catalog star |
| HIP 44066 | Hipparcos catalog star |
| HIP 61084 | Hipparcos catalog star |
| HIP 107556 | Hipparcos catalog star |
| HIP 105515 | Hipparcos catalog star |