20339+4642

  • Unique Name: 20339+4642BU 1489AB
  • RA: 20 33 54.84
  • Dec: +46 41 37.9
  • Discoverer: BU
  • Discoverer Number: 1489
  • Components: AB
  • First year: 1893
  • Last year: 2012
  • Observations: 13
  • First position angle: 17
  • Last position angle: 16
  • First separation: 118.1
  • Last separation: 116.5
  • Mag first component: 5.75
  • Mag second component: 9.35
  • Spectral type: B9pSi
  • Primary proper motion RA: 10
  • Primary proper motion DEC: 2
  • Secondary proper motion RA: -2
  • Secondary proper motion DEC: -3
  • Durchmusterung: +46 2977
  • Notes: N
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