21476+2439

  • Unique Name: 21476+2439GRV 506BC
  • RA: 21 47 34.58
  • Dec: +24 40 14.1
  • Discoverer: GRV
  • Discoverer Number: 506
  • Components: BC
  • First year: 1891
  • Last year: 2001
  • Observations: 5
  • First position angle: 162
  • Last position angle: 162
  • First separation: 73.3
  • Last separation: 72.5
  • Mag first component: 11.55
  • Mag second component: 12.57
  • Spectral type:
  • Primary proper motion RA: -18
  • Primary proper motion DEC: -23
  • Secondary proper motion RA: -22
  • Secondary proper motion DEC: -16
  • Durchmusterung:
  • Notes:
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