Beta Ophiuchi
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Beta Ophiuchi (β Oph / β Ophiuchi) is a star in the constellation Ophiuchus. It also has traditional names Cebalrai (Arabic: "shepherd dog"), Cheleb, or Kelb Alrai, or sometimes just Alrai.
Beta Ophiuchi has apparent magnitude +2.8 and is of spectral class K2. It is approximately 84 light years from Earth.
Coordinates (equinox 2000)
- Right ascension: 17h43m28s
- Declination: +4°34'0"