meanProperMotionUncertainty
P123356
predicate
Indicates the uncertainty associated with the measured mean proper motion of an object.
Observed surface forms (3)
| Surface form | Occurrences |
|---|---|
| hasMeanProperMotionUncertaintyAtG15 | 1 |
| hasMeanProperMotionUncertaintyAtG20 | 1 |
| typicalProperMotionAccuracy | 1 |
Sample triples (4)
| Subject | Object |
|---|---|
| Gaia Data Release 2 | ~0.06 mas/yr for bright stars ⓘ |
| Gaia Early Data Release 3 | ~0.02 milliarcseconds per year via predicate surface "hasMeanProperMotionUncertaintyAtG15" ⓘ |
| Gaia Early Data Release 3 | ~0.5 milliarcseconds per year via predicate surface "hasMeanProperMotionUncertaintyAtG20" ⓘ |
| Hipparcos Catalogue | about 1 milliarcsecond per year via predicate surface "typicalProperMotionAccuracy" ⓘ |