Ophiuchi beta

Beta Ophiuchi (β Oph/β Ophiuchi) is a star of the Constellation of Ophiuchus. It also bears the traditional names Cebalrai (Arab: " dog of berger"), Cheleb , or Kelb Alrai , or sometimes simply Alrai .

Beta Ophiuchi is a Géante of the type K having a Magnitude connect of 2,77. As at some other giants of the type K, the luminosity of β Ophiuchi varies very slightly (0,02 magnitudes). ^,

References

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