21509-7403

  • Unique Name: 21509-7403TDT3189
  • RA: 21 50 55.01
  • Dec: -74 02 37.5
  • Discoverer: TDT
  • Discoverer Number: 3189
  • Components:
  • First year: 1991
  • Last year: 1991
  • Observations: 1
  • First position angle: 156
  • Last position angle: 156
  • First separation: 0.9
  • Last separation: 0.9
  • Mag first component: 12.04
  • Mag second component: 12.6
  • Spectral type:
  • Primary proper motion RA: 13
  • Primary proper motion DEC: 7
  • Secondary proper motion RA: 13
  • Secondary proper motion DEC: 7
  • Durchmusterung:
  • Notes: