The ProperMotions table contains proper motion measurements in mas/yr for sources listed in the Sources table. The combination of source and reference is expected to be unique. Columns marked with an asterisk (*) may not be empty.
| Column Name | Description | Unit | Data Type | Key Type |
|---|---|---|---|---|
| *source | Unique identifier for the source | String(100) | primary and foreign: Sources.source | |
| mu_ra | Proper motion in RA | mas/yr | Float | |
| mu_ra_error | Uncertainty of proper motion in RA | mas/yr | Float | |
| mu_dec | Proper motion in Dec | mas/yr | Float | |
| mu_dec_error | Uncertainty of proper motion in Dec | mas/yr | Float | |
| adopted | Flag indicating if this is the adopted measurement | Boolean | ||
| comments | Free form comments | String(1000) | ||
| *reference | Reference | String(30) | primary and foreign: Publications.name |