20477+2339

  • Unique Name: 20477+2339POU4997AB
  • RA: 20 47 43.98
  • Dec: +23 38 51.4
  • Discoverer: POU
  • Discoverer Number: 4997
  • Components: AB
  • First year: 1899
  • Last year: 2009
  • Observations: 4
  • First position angle: 198
  • Last position angle: 195
  • First separation: 8.3
  • Last separation: 12.3
  • Mag first component: 12.7
  • Mag second component: 13.8
  • Spectral type:
  • Primary proper motion RA: -12
  • Primary proper motion DEC: -16
  • Secondary proper motion RA: -18
  • Secondary proper motion DEC: -50
  • Durchmusterung:
  • Notes: