20403+2520

  • Unique Name: 20403+2520J 511
  • RA: 20 40 18.09
  • Dec: +25 20 28.4
  • Discoverer: J
  • Discoverer Number: 511
  • Components:
  • First year: 1911
  • Last year: 2011
  • Observations: 7
  • First position angle: 0
  • Last position angle: 8
  • First separation: 1.1
  • Last separation: 1.9
  • Mag first component: 9.6
  • Mag second component: 9.7
  • Spectral type:
  • Primary proper motion RA: 1
  • Primary proper motion DEC: -12
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: