21539+4839

  • Unique Name: 21539+4839COU2321
  • RA: 21 53 54.54
  • Dec: +48 38 40.0
  • Discoverer: COU
  • Discoverer Number: 2321
  • Components:
  • First year: 1985
  • Last year: 1995
  • Observations: 4
  • First position angle: 256
  • Last position angle: 259
  • First separation: 0.6
  • Last separation: 0.6
  • Mag first component: 11.1
  • Mag second component: 10.9
  • Spectral type:
  • Primary proper motion RA: 5
  • Primary proper motion DEC: -1
  • Secondary proper motion RA: 5
  • Secondary proper motion DEC: -1
  • Durchmusterung: +47 3597
  • Notes:
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