20558+2131

  • Unique Name: 20558+2131COU 727
  • RA: 20 55 48.86
  • Dec: +21 30 49.2
  • Discoverer: COU
  • Discoverer Number: 727
  • Components:
  • First year: 1971
  • Last year: 1995
  • Observations: 5
  • First position angle: 345
  • Last position angle: 353
  • First separation: 0.9
  • Last separation: 1.2
  • Mag first component: 11.4
  • Mag second component: 11.75
  • Spectral type: F8
  • Primary proper motion RA: 2
  • Primary proper motion DEC: -22
  • Secondary proper motion RA: 2
  • Secondary proper motion DEC: -22
  • Durchmusterung: +20 4769
  • Notes:
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