20 Arietis

Stellar classification



  • X -64
  • Y -75
  • Z -96
→ Sol: 138

Object type

  • Star in Cluster
  • Star
  • Infra-Red source
  • High proper-motion Star
  • UV-emission source
simbad:* 20 Ari


20 Arietis (abbreviated 20 Ari) is a star in the northern constellation of Aries. 20 Arietis is the Flamsteed designation. A member of the Hyades open cluster (Melotte 25) it has an apparent visual magnitude of 5.79, which is bright enough to be just faintly visible to the naked eye. Based upon an annual parallax shift of 23.75 ± 0.33 mas, it is approximately 137 light-years (42 parsecs) distant from Earth.

This star has a stellar classification of F6 IV-V, with the spectrum indicating it shows properties of both a main sequence and a more evolved subgiant star. 20 Arietis is around 1.7 billion years old.

This article uses material from the Wikipedia article "20 Arietis", which is released under the Creative Commons Attribution-Share-Alike License 3.0.