20457+3917

  • Unique Name: 20457+3917SEI1241
  • RA: 20 45 39.29
  • Dec: +39 16 20.6
  • Discoverer: SEI
  • Discoverer Number: 1241
  • Components:
  • First year: 1896
  • Last year: 2002
  • Observations: 7
  • First position angle: 308
  • Last position angle: 309
  • First separation: 7.1
  • Last separation: 7.1
  • Mag first component: 11.3
  • Mag second component: 11.48
  • Spectral type:
  • Primary proper motion RA: 3
  • Primary proper motion DEC: -7
  • Secondary proper motion RA: 3
  • Secondary proper motion DEC: -4
  • Durchmusterung:
  • Notes: