18172+5103

  • Unique Name: 18172+5103AG 220
  • RA: 18 17 12.57
  • Dec: +51 02 50.4
  • Discoverer: AG
  • Discoverer Number: 220
  • Components:
  • First year: 1900
  • Last year: 2005
  • Observations: 16
  • First position angle: 129
  • Last position angle: 127
  • First separation: 11.3
  • Last separation: 10.9
  • Mag first component: 10.32
  • Mag second component: 10.36
  • Spectral type: F8 F8
  • Primary proper motion RA: 11
  • Primary proper motion DEC: 8
  • Secondary proper motion RA: 10
  • Secondary proper motion DEC: 9
  • Durchmusterung: +50 2557
  • Notes: D
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