20339+4642

  • Unique Name: 20339+4642HDS2940Aa,Ab
  • RA: 20 33 54.84
  • Dec: +46 41 37.9
  • Discoverer: HDS
  • Discoverer Number: 2940
  • Components: Aa,Ab
  • First year: 1991
  • Last year: 2009
  • Observations: 7
  • First position angle: 56
  • Last position angle: 46
  • First separation: 0.3
  • Last separation: 0.3
  • Mag first component: 5.76
  • Mag second component: 9.48
  • Spectral type: B9sp...
  • Primary proper motion RA: 10
  • Primary proper motion DEC: 2
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +46 2977
  • Notes: N
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