20309+5747

  • Unique Name: 20309+5747TDT2333
  • RA: 20 30 53.76
  • Dec: +57 46 42.9
  • Discoverer: TDT
  • Discoverer Number: 2333
  • Components:
  • First year: 1991
  • Last year: 2003
  • Observations: 2
  • First position angle: 139
  • Last position angle: 140
  • First separation: 2.3
  • Last separation: 2.5
  • Mag first component: 10.3
  • Mag second component: 12.19
  • Spectral type:
  • Primary proper motion RA: -9
  • Primary proper motion DEC: 7
  • Secondary proper motion RA: -9
  • Secondary proper motion DEC: 7
  • Durchmusterung:
  • Notes:
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