20217+5717

  • Unique Name: 20217+5717TDT2204
  • RA: 20 21 41.63
  • Dec: +57 17 26.1
  • Discoverer: TDT
  • Discoverer Number: 2204
  • Components:
  • First year: 1991
  • Last year: 1991
  • Observations: 1
  • First position angle: 308
  • Last position angle: 308
  • First separation: 2.3
  • Last separation: 2.3
  • Mag first component: 11.75
  • Mag second component: 11.85
  • Spectral type:
  • Primary proper motion RA: -3
  • Primary proper motion DEC: -3
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: