21439+2751

  • Unique Name: 21439+2751HO 166
  • RA: 21 43 54.25
  • Dec: +27 50 48.8
  • Discoverer: HO
  • Discoverer Number: 166
  • Components:
  • First year: 1886
  • Last year: 2009
  • Observations: 177
  • First position angle: 124
  • Last position angle: 319
  • First separation: 0.4
  • Last separation: 0.2
  • Mag first component: 8.36
  • Mag second component: 8.25
  • Spectral type: F6V
  • Primary proper motion RA: 102
  • Primary proper motion DEC: -7
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +27 4145
  • Notes: NO
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