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.
Observed surface forms (1)
- period–luminosity relation ×1
Instances (2)
- Tully-Fisher relation distances
- Leavitt law via concept surface "period–luminosity relation"