21490+3912

  • Unique Name: 21490+3912TDT3173
  • RA: 21 48 57.91
  • Dec: +39 12 22.4
  • Discoverer: TDT
  • Discoverer Number: 3173
  • Components:
  • First year: 1991
  • Last year: 1991
  • Observations: 1
  • First position angle: 137
  • Last position angle: 137
  • First separation: 0.6
  • Last separation: 0.6
  • Mag first component: 11.26
  • Mag second component: 11.56
  • Spectral type:
  • Primary proper motion RA: -4
  • Primary proper motion DEC: -6
  • Secondary proper motion RA: -4
  • Secondary proper motion DEC: -6
  • Durchmusterung:
  • Notes: