Alshain Beta Aquilae

Stellar classification



  • X -32
  • Y -9
  • Z 30
→ Sol: 45

Object type

  • High proper-motion Star
  • Star
  • Double or multiple star
  • Infra-Red source
  • Rotationally variable Star
  • UV-emission source
  • Variable Star
  • X-ray source
simbad:* bet Aql


Beta Aquilae, Latinized from β Aquilae (abbreviated Beta Aql or β Aql), also named Alshain, is a star in the equatorial constellation of Aquila.

It has magnitude 3.71 and is of spectral class G8IV. It has a very low level of surface magnetic activity and may be in a state similar to a Maunder minimum. Since 1943, the spectrum of this star has served as one of the stable anchor points by which other stars are classified. It is approximately 44.7 light years from Earth. It has a 12th magnitude optical companion, Beta Aquilae B, which is 13 arcseconds away in the sky.

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