Asteroids Clusters Comets Concepts Constellations Galaxies Moons Nebulae Planets and Moons Stars Surface Features

Menus

Catalogues

Tools and Links

Thuban
Alpha Draconis, 11 Draconis
Proper Name
  Thuban
Bayer Designation
  Alpha Draconis
Flamsteed Number
  11 Draconis
BSC
  5291
HD
  123299
Constellation
  Draco
Right Ascension
  14h 4m 24s
Declination
  +64° 23' 1"
Distance
  309 light years
  95 parsecs
Magnitude
  Apparent: +3.7
  Absolute: -1.2
Spectral Class
  A0
  White Giant
Optimum Visibility
  April/May
Though only of magnitude 3.7, and by no means the brightest star in its constellation, Thuban is nonetheless designated Alpha Draconis. Location of Thuban
Though it is a faint star in a sparse region of the sky, Thuban is not difficult to locate. It lies halfway between the 'bowl' of the Little Dipper, and the 'handle' of the Big Dipper.
Indexes
  • Main Index
  • Star Names Index
  • Bayer Stars Index
  • Flamsteed Stars Index
  • Related Entries
  • Northern Celestial Pole