Radio astrometry
Phase effect
Two-colour diagrams
Two-color diagrams
Equator position
Distance measure
Astronomical location
Effective temperature
Radial velocity
Solar constant
Standard stars
Stellar distance
Magnitude
Stellar aberration
Photographic astrometry
Phase defect
Phase error
Parallax
Brightness temperature
Syzygy
Baade-Wesselink method
Relaxation time
Relativistic aberration
Phase angle
Astronomical coordinate systems
Wolf diagram
Space astrometry
Spectral index
Fundamental parameters of stars
Sky noise
Bolometric correction
Astronomical techniques
Astrometry
Astrometric exoplanet detection
The precise measurement of the positions and motions of astronomical objects.