21209+0307

  • Unique Name: 21209+0307BU 838
  • RA: 21 20 55.78
  • Dec: +03 07 05.6
  • Discoverer: BU
  • Discoverer Number: 838
  • Components:
  • First year: 1881
  • Last year: 2007
  • Observations: 60
  • First position angle: 90
  • Last position angle: 151
  • First separation: 1.3
  • Last separation: 1.6
  • Mag first component: 7.92
  • Mag second component: 10.02
  • Spectral type: F8
  • Primary proper motion RA: 133
  • Primary proper motion DEC: 4
  • Secondary proper motion RA: 133
  • Secondary proper motion DEC: 4
  • Durchmusterung: +02 4343
  • Notes:
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