42 Draconis

Stellar classification



  • X -279
  • Y 143
  • Z -27
→ Sol: 315

Object type

  • High proper-motion Star
  • Star
  • Infra-Red source
  • UV-emission source
simbad:* 42 Dra


42 Draconis (abbreviated 42 Dra), also named Fafnir, is a 5th magnitude K-type giant star located approximately 315 light years away in the constellation of Draco. As of 2009, an extrasolar planet (designated 42 Draconis b, later named Orbitar) is thought to be orbiting the star.

Of spectral type K1.5III, the star has a mass similar to the Sun but with a radius 22 times greater. It is a metal-poor star with metallicity as low as 35% that of the Sun and its age is 9.49 billion years. It is the northern pole star of Venus.

This article uses material from the Wikipedia article "42 Draconis", which is released under the Creative Commons Attribution-Share-Alike License 3.0.