12539+7440

  • Unique Name: 12539+7440STF1698
  • RA: 12 54 47.82
  • Dec: +74 39 06.1
  • Discoverer: STF
  • Discoverer Number: 1698
  • Components:
  • First year: 1831
  • Last year: 2008
  • Observations: 25
  • First position angle: 111
  • Last position angle: 109
  • First separation: 10.5
  • Last separation: 10.1
  • Mag first component: 9.64
  • Mag second component: 10.24
  • Spectral type: A2
  • Primary proper motion RA: 24
  • Primary proper motion DEC: -12
  • Secondary proper motion RA: 24
  • Secondary proper motion DEC: -12
  • Durchmusterung: +75 490
  • Notes: N D
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