20478+3840

  • Unique Name: 20478+3840SEI1251
  • RA: 20 47 47.55
  • Dec: +38 39 33.1
  • Discoverer: SEI
  • Discoverer Number: 1251
  • Components:
  • First year: 1896
  • Last year: 2002
  • Observations: 4
  • First position angle: 37
  • Last position angle: 42
  • First separation: 14.5
  • Last separation: 15.1
  • Mag first component: 11.41
  • Mag second component: 12.9
  • Spectral type:
  • Primary proper motion RA: -13
  • Primary proper motion DEC: -12
  • Secondary proper motion RA: 2
  • Secondary proper motion DEC: -11
  • Durchmusterung:
  • Notes: