surfaceBrightnessClass
P60001
predicate
Indicates the qualitative classification of how bright an extended object (such as a galaxy) appears per unit area on the sky.
Observed surface forms (3)
| Surface form | Occurrences |
|---|---|
| hasSurfaceBrightness | 28 |
| hasLowSurfaceBrightness | 19 |
| brightnessClass | 2 |