21217+4434

  • Unique Name: 21217+4434GRV 455
  • RA: 21 21 46.93
  • Dec: +44 34 46.4
  • Discoverer: GRV
  • Discoverer Number: 455
  • Components:
  • First year: 1998
  • Last year: 2002
  • Observations: 3
  • First position angle: 132
  • Last position angle: 132
  • First separation: 28.8
  • Last separation: 28.9
  • Mag first component: 12.35
  • Mag second component: 13.53
  • Spectral type:
  • Primary proper motion RA: 23
  • Primary proper motion DEC: 19
  • Secondary proper motion RA: 42
  • Secondary proper motion DEC: -39
  • Durchmusterung:
  • Notes:
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