21520+5401

  • Unique Name: 21520+5401BU 1507
  • RA: 21 51 58.01
  • Dec: +54 00 54.7
  • Discoverer: BU
  • Discoverer Number: 1507
  • Components:
  • First year: 1899
  • Last year: 2003
  • Observations: 6
  • First position angle: 68
  • Last position angle: 67
  • First separation: 16.0
  • Last separation: 17.2
  • Mag first component: 9.61
  • Mag second component: 12.4
  • Spectral type: K0
  • Primary proper motion RA: 1
  • Primary proper motion DEC: 1
  • Secondary proper motion RA: 11
  • Secondary proper motion DEC: 8
  • Durchmusterung: +53 2723
  • Notes:
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