21489+4321

  • Unique Name: 21489+4321TDT3171
  • RA: 21 48 52.00
  • Dec: +43 21 28.1
  • Discoverer: TDT
  • Discoverer Number: 3171
  • Components:
  • First year: 1991
  • Last year: 1991
  • Observations: 1
  • First position angle: 286
  • Last position angle: 286
  • First separation: 0.5
  • Last separation: 0.5
  • Mag first component: 11.31
  • Mag second component: 11.45
  • Spectral type:
  • Primary proper motion RA: 3
  • Primary proper motion DEC: 3
  • Secondary proper motion RA: 3
  • Secondary proper motion DEC: 3
  • Durchmusterung:
  • Notes:
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