Interface for Spherical direction (Right Ascension and Declination).
|  Dec | Declination: angle above the x-y plane. Uses Latitude Dimension. | 
|  Magnitude | A unitless value that represents magnitude. | 
|  RA | Right Ascension: angle in x-y plane from x towards y. Uses Longitude Dimension. | 
| Implemented Interface | 
|---|
| IAgDirection | 
| Name | 
|---|
| AgDirectionRADec | 





