20489+3503

  • Unique Name: 20489+3503SEI1257
  • RA: 20 48 47.90
  • Dec: +35 03 09.8
  • Discoverer: SEI
  • Discoverer Number: 1257
  • Components:
  • First year: 1896
  • Last year: 2010
  • Observations: 5
  • First position angle: 218
  • Last position angle: 216
  • First separation: 18.8
  • Last separation: 17.7
  • Mag first component: 10.0
  • Mag second component: 11.0
  • Spectral type:
  • Primary proper motion RA: -2
  • Primary proper motion DEC: -19
  • Secondary proper motion RA: -26
  • Secondary proper motion DEC: 9
  • Durchmusterung:
  • Notes: