b Scorpii (Akrab or Graffias)

component year position angle angular separation magnitude of 1st component magnitude of 2nd component spectral class(es) AB 1879 88° 0.9'' 2.62 10.6 B1V 1991 146° 0.4'' AC 1823 24° 13.6'' 2.62 4.92 B2V 1980 21° - CE 1976 359° 0.1'' 4.9 - - 1989 121° - b1 Scorpii HR 5984 (Component AB) b2 Scorpii HR 5985 (Component C)

n Scorpii (Jabbah)

component year position angle angular separation magnitude of 1st component magnitude of 2nd component spectral class(es) Aa 1988 172° 0.1'' 4.01 - B3V 1989 165° - Aa-B 1876 ° 0.7'' 4.4 6.9 - 1991 - 1.3'' Aa-C 1821 337° 41.2'' 4.4 6.26 - CD 1846 39° 1.1'' 6.8 7.5 B8/9V 1974 53° 2.3'' HR 6027 (Component A) HR 6026 (Component C)