a Geminorum (Castor)

component year position angle angular separation magnitude of 1st component magnitude of 2nd component spectral class(es)
AB 1819 270° 4.5'' 2 2.9 A1V A2Vm
1992 73° 3.3''
AC 1835 164° 72.5'' 2 8.8 -
1990 - 71.2''
AD 1902 222° 204.4'' 2 - -
BC 1862 160° 70.4'' 2.9 8.7 -
1957 163° 69.5''

38 Geminorum

component year position angle angular separation magnitude of 1st component magnitude of 2nd component spectral class(es)
AB 1822 179° 5,7'' 4,74 7,68 F0Vp
1990 147° 7,3''
AC 1912 328° 109,3'' 4,7 10,3 -
1932 - 111,5''