21577+4356

  • Unique Name: 21577+4356BTG 9AD
  • RA: 21 57 41.80
  • Dec: +43 55 41.0
  • Discoverer: BTG
  • Discoverer Number: 9
  • Components: AD
  • First year: 2000
  • Last year: 2007
  • Observations: 3
  • First position angle: 86
  • Last position angle: 86
  • First separation: 38.1
  • Last separation: 38.0
  • Mag first component: 12.2
  • Mag second component: 14.0
  • Spectral type:
  • Primary proper motion RA: -6
  • Primary proper motion DEC: 8
  • Secondary proper motion RA: -10
  • Secondary proper motion DEC: -3
  • Durchmusterung:
  • Notes:
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