20427+3947

  • Unique Name: 20427+3947TDT2491
  • RA: 20 42 39.12
  • Dec: +39 47 02.0
  • Discoverer: TDT
  • Discoverer Number: 2491
  • Components:
  • First year: 1991
  • Last year: 1991
  • Observations: 1
  • First position angle: 275
  • Last position angle: 275
  • First separation: 1.4
  • Last separation: 1.4
  • Mag first component: 10.15
  • Mag second component: 12.19
  • Spectral type:
  • Primary proper motion RA: -7
  • Primary proper motion DEC: -3
  • Secondary proper motion RA: -7
  • Secondary proper motion DEC: -3
  • Durchmusterung:
  • Notes: