21487+4357

  • Unique Name: 21487+4357GRV 509
  • RA: 21 48 44.75
  • Dec: +43 57 54.4
  • Discoverer: GRV
  • Discoverer Number: 509
  • Components:
  • First year: 2000
  • Last year: 2002
  • Observations: 3
  • First position angle: 177
  • Last position angle: 177
  • First separation: 56.5
  • Last separation: 56.5
  • Mag first component: 9.67
  • Mag second component: 13.79
  • Spectral type:
  • Primary proper motion RA: -31
  • Primary proper motion DEC: -19
  • Secondary proper motion RA: -6
  • Secondary proper motion DEC: -14
  • Durchmusterung: +43 4052
  • Notes:
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