20517+4721

  • Unique Name: 20517+4721TDT2584
  • RA: 20 51 44.10
  • Dec: +47 21 24.5
  • Discoverer: TDT
  • Discoverer Number: 2584
  • Components:
  • First year: 1991
  • Last year: 1991
  • Observations: 1
  • First position angle: 177
  • Last position angle: 177
  • First separation: 2.3
  • Last separation: 2.3
  • Mag first component: 10.51
  • Mag second component: 12.1
  • Spectral type:
  • Primary proper motion RA: 2
  • Primary proper motion DEC: 7
  • Secondary proper motion RA: 2
  • Secondary proper motion DEC: 7
  • Durchmusterung:
  • Notes: