21390+5729

  • Unique Name: 21390+5729STF2816AC
  • RA: 21 38 57.61
  • Dec: +57 29 20.5
  • Discoverer: STF
  • Discoverer Number: 2816
  • Components: AC
  • First year: 1783
  • Last year: 2012
  • Observations: 105
  • First position angle: 125
  • Last position angle: 120
  • First separation: 11.6
  • Last separation: 11.8
  • Mag first component: 5.73
  • Mag second component: 7.48
  • Spectral type: O6f
  • Primary proper motion RA: -3
  • Primary proper motion DEC: -2
  • Secondary proper motion RA: -4
  • Secondary proper motion DEC: -2
  • Durchmusterung:
  • Notes: N D
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