21507+3621

  • Unique Name: 21507+3621COU1640
  • RA: 21 50 40.96
  • Dec: +36 20 44.2
  • Discoverer: COU
  • Discoverer Number: 1640
  • Components:
  • First year: 1977
  • Last year: 1996
  • Observations: 2
  • First position angle: 19
  • Last position angle: 21
  • First separation: 2.5
  • Last separation: 2.6
  • Mag first component: 9.49
  • Mag second component: 14.3
  • Spectral type:
  • Primary proper motion RA: 0
  • Primary proper motion DEC: -2
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +35 4656
  • Notes:
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