21004+3411

  • Unique Name: 21004+3411BU 1329AB,C
  • RA: 21 00 26.00
  • Dec: +34 10 42.4
  • Discoverer: BU
  • Discoverer Number: 1329
  • Components: AB,C
  • First year: 1902
  • Last year: 2002
  • Observations: 13
  • First position angle: 32
  • Last position angle: 30
  • First separation: 6.5
  • Last separation: 6.8
  • Mag first component: 8.2
  • Mag second component: 9.6
  • Spectral type: A2
  • Primary proper motion RA: -4
  • Primary proper motion DEC: -10
  • Secondary proper motion RA: -8
  • Secondary proper motion DEC: -10
  • Durchmusterung:
  • Notes:
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