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Kappa Ophiuchi
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Ophiuchus
Right ascension 16h 57m 40.27s
Declination +9° 22' 30.2"
Apparent magnitude (V) +3.19
Absolute magnitude (V) +1.09
Distance 86 ly
(26.38 pc)
Spectral type A2III
Other designations
Helkath, 27 Ophiuchi, HR 6299, HD 153210, BD +09 3298, HIP 83000, SAO 121962, FK5 633, GC 22862

Kappa Ophiuchi (κ Oph / κ Ophiuchi) is a Class A2, third-magnitude star in the constellation Ophiuchus. It occasionally called by the Hebrew-Arabic name Helkath, meaning "battlefield" or "battleground".

Kappa Ophiuchi is a variable star located about 85 light-years (26 pc) from Earth.


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