21566+3421

  • Unique Name: 21566+3421BU 1214AB
  • RA: 21 56 36.00
  • Dec: +34 20 53.3
  • Discoverer: BU
  • Discoverer Number: 1214
  • Components: AB
  • First year: 1890
  • Last year: 2009
  • Observations: 11
  • First position angle: 205
  • Last position angle: 207
  • First separation: 1.4
  • Last separation: 1.5
  • Mag first component: 9.59
  • Mag second component: 10.99
  • Spectral type: A0
  • Primary proper motion RA: 10
  • Primary proper motion DEC: 0
  • Secondary proper motion RA: 10
  • Secondary proper motion DEC: 0
  • Durchmusterung: +33 4387
  • Notes:
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