Cebalrai Beta Ophiuchi

Stellar classification



  • X -39
  • Y 23
  • Z 68
→ Sol: 82

Object type

  • Variable Star
  • Star
  • Infra-Red source
  • High proper-motion Star
  • UV-emission source
simbad:* bet Oph


Beta Ophiuchi (β Ophiuchi, abbreviated Beta Oph, β Oph), also named Cebalrai, is a star in the equatorial constellation of Ophiuchus. The apparent visual magnitude of this star is 2.7, which is readily visible to the naked eye even from urban skies. The distance to this star can be estimated using parallax measurements, yielding a value of 81.8 light-years (25.1 parsecs) from the Sun.

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