21509-4052

  • Unique Name: 21509-4052CRU 2AB
  • RA: 21 50 56.33
  • Dec: -40 51 57.1
  • Discoverer: CRU
  • Discoverer Number: 2
  • Components: AB
  • First year: 1879
  • Last year: 1999
  • Observations: 9
  • First position angle: 307
  • Last position angle: 307
  • First separation: 22.5
  • Last separation: 23.1
  • Mag first component: 9.9
  • Mag second component: 11.44
  • Spectral type: G3V
  • Primary proper motion RA: -101
  • Primary proper motion DEC: -54
  • Secondary proper motion RA: -103
  • Secondary proper motion DEC: -55
  • Durchmusterung: -4114659
  • Notes: N
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