21105+4742

  • Unique Name: 21105+4742STTA215AC
  • RA: 21 10 30.96
  • Dec: +47 41 32.0
  • Discoverer: STT
  • Discoverer Number: 0
  • Components: AC
  • First year: 1875
  • Last year: 2012
  • Observations: 21
  • First position angle: 190
  • Last position angle: 189
  • First separation: 134.1
  • Last separation: 136.7
  • Mag first component: 6.55
  • Mag second component: 7.52
  • Spectral type: B6IV
  • Primary proper motion RA: -4
  • Primary proper motion DEC: -4
  • Secondary proper motion RA: -5
  • Secondary proper motion DEC: -18
  • Durchmusterung: +47 3321
  • Notes: N D
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