21128+3907

  • Unique Name: 21128+3907SEI1447
  • RA: 21 12 48.41
  • Dec: +39 06 40.7
  • Discoverer: SEI
  • Discoverer Number: 1447
  • Components:
  • First year: 1895
  • Last year: 2002
  • Observations: 7
  • First position angle: 153
  • Last position angle: 151
  • First separation: 13.5
  • Last separation: 13.2
  • Mag first component: 9.34
  • Mag second component: 12.0
  • Spectral type: A5
  • Primary proper motion RA: 10
  • Primary proper motion DEC: -4
  • Secondary proper motion RA: 12
  • Secondary proper motion DEC: -4
  • Durchmusterung: +38 4395
  • Notes: N
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