20504+4518

  • Unique Name: 20504+4518SMA 121
  • RA: 20 50 20.30
  • Dec: +45 05 12.0
  • Discoverer: SMA
  • Discoverer Number: 121
  • Components:
  • First year: 1892
  • Last year: 2003
  • Observations: 6
  • First position angle: 32
  • Last position angle: 32
  • First separation: 12.6
  • Last separation: 11.7
  • Mag first component: 9.92
  • Mag second component: 12.54
  • Spectral type:
  • Primary proper motion RA: 11
  • Primary proper motion DEC: 10
  • Secondary proper motion RA: 2
  • Secondary proper motion DEC: 2
  • Durchmusterung: +44 3598
  • Notes: