20557+3540

  • Unique Name: 20557+3540SEI1316
  • RA: 20 55 41.66
  • Dec: +35 40 13.9
  • Discoverer: SEI
  • Discoverer Number: 1316
  • Components:
  • First year: 1896
  • Last year: 2002
  • Observations: 6
  • First position angle: 26
  • Last position angle: 24
  • First separation: 12.4
  • Last separation: 12.3
  • Mag first component: 10.87
  • Mag second component: 12.73
  • Spectral type: G0
  • Primary proper motion RA: 5
  • Primary proper motion DEC: 7
  • Secondary proper motion RA: 5
  • Secondary proper motion DEC: 4
  • Durchmusterung: +35 4322
  • Notes: