20309+4913

  • Unique Name: 20309+4913S 755AB
  • RA: 20 30 52.72
  • Dec: +49 12 47.5
  • Discoverer: S
  • Discoverer Number: 755
  • Components: AB
  • First year: 1780
  • Last year: 2012
  • Observations: 26
  • First position angle: 277
  • Last position angle: 278
  • First separation: 30.0
  • Last separation: 60.2
  • Mag first component: 6.64
  • Mag second component: 9.72
  • Spectral type: A2
  • Primary proper motion RA: 1
  • Primary proper motion DEC: -12
  • Secondary proper motion RA: 3
  • Secondary proper motion DEC: -16
  • Durchmusterung: +48 3148
  • Notes: N D
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