extragalactic distance indicator
C44496
concept
An extragalactic distance indicator is an astronomical object or phenomenon with known intrinsic properties that allows astronomers to determine the distances to galaxies beyond the Milky Way.
All labels observed (2)
| Label | Occurrences |
|---|---|
| extragalactic distance indicator canonical | 1 |
| period–luminosity relation | 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: extragalactic distance indicator
Generated description
An extragalactic distance indicator is an astronomical object or phenomenon with known intrinsic properties that allows astronomers to determine the distances to galaxies beyond the Milky Way.
Instances (2)
| Instance | Via concept surface |
|---|---|
| Tully-Fisher relation distances | — |
| Leavitt law | period–luminosity relation |