20172+1553

  • Unique Name: 20172+1553CHE 273AB
  • RA: 20 17 09.78
  • Dec: +15 52 21.8
  • Discoverer: CHE
  • Discoverer Number: 273
  • Components: AB
  • First year: 1910
  • Last year: 2008
  • Observations: 6
  • First position angle: 86
  • Last position angle: 94
  • First separation: 28.0
  • Last separation: 27.2
  • Mag first component: 7.48
  • Mag second component: 13.4
  • Spectral type:
  • Primary proper motion RA: -7
  • Primary proper motion DEC: -11
  • Secondary proper motion RA: -1
  • Secondary proper motion DEC: -53
  • Durchmusterung:
  • Notes: N
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