21203+4921

  • Unique Name: 21203+4921BU 839AB
  • RA: 21 20 18.92
  • Dec: +49 21 08.5
  • Discoverer: BU
  • Discoverer Number: 839
  • Components: AB
  • First year: 1881
  • Last year: 2003
  • Observations: 9
  • First position angle: 202
  • Last position angle: 207
  • First separation: 15.2
  • Last separation: 14.5
  • Mag first component: 8.26
  • Mag second component: 11.9
  • Spectral type: M6III
  • Primary proper motion RA: 19
  • Primary proper motion DEC: 0
  • Secondary proper motion RA: 12
  • Secondary proper motion DEC: 8
  • Durchmusterung: +48 3348
  • Notes:
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