The Naming of Stars The Naming of Stars Astronomers use a number of conventions to name stars.
Most conventions have their origins hundreds of years ago.
All star names and designations must be approved by the International Astronomical Union . The following are some standard nomenclatures for stars. Arabic names , e.g., Aldebaran or Betelgeuse , have a lot of lore behind them. Bayer designations order the stars in a given constellations from the brightest on down. Flamsteed designations are ordered by right ascension .