21287+5710

  • Unique Name: 21287+5710BU 1142
  • RA: 21 28 41.72
  • Dec: +57 09 33.7
  • Discoverer: BU
  • Discoverer Number: 1142
  • Components:
  • First year: 1889
  • Last year: 2009
  • Observations: 14
  • First position angle: 354
  • Last position angle: 3
  • First separation: 0.4
  • Last separation: 0.4
  • Mag first component: 10.58
  • Mag second component: 10.69
  • Spectral type: F8
  • Primary proper motion RA: 5
  • Primary proper motion DEC: -4
  • Secondary proper motion RA: 5
  • Secondary proper motion DEC: -4
  • Durchmusterung: +56 2579
  • Notes:
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