21173+3457

  • Unique Name: 21173+3457TDT2886
  • RA: 21 17 17.83
  • Dec: +34 57 04.3
  • Discoverer: TDT
  • Discoverer Number: 2886
  • Components:
  • First year: 1991
  • Last year: 1991
  • Observations: 1
  • First position angle: 82
  • Last position angle: 82
  • First separation: 0.5
  • Last separation: 0.5
  • Mag first component: 11.41
  • Mag second component: 11.59
  • Spectral type:
  • Primary proper motion RA: -1
  • Primary proper motion DEC: -8
  • Secondary proper motion RA: -1
  • Secondary proper motion DEC: -8
  • Durchmusterung:
  • Notes: