Subject
- astronomical models5
- planetary systems5
- virtual observatory5
- catalogs3
- sloan photometry3
- astronomical object identification2
- photographic magnitude2
- photographic photometry2
- proper motions2
- radial velocity2
- standard stars2
- trigonometric parallax2
- variable stars2
- a stars1
- astronomy1
- atomic physics1
- catalogues1
- classification1
- dwarf planets1
- exoplanets1
