a1/2Crucis (Acrux)

component year position angle angular separation magnitude of 1st component magnitude of 2nd component spectral class(es)
AB 1826 121° 5,6'' 1,3 1,8 B1V
1994 112° 4''
AC 1826 202° 90,1'' 1,3 4,86 B4IV
1976 204° 89,8''
BC 1859 205° 90'' 2,3 6 -