21203+4921

  • Unique Name: 21203+4921BU 839AC
  • RA: 21 20 18.92
  • Dec: +49 21 08.5
  • Discoverer: BU
  • Discoverer Number: 839
  • Components: AC
  • First year: 1881
  • Last year: 2006
  • Observations: 16
  • First position angle: 197
  • Last position angle: 200
  • First separation: 21.5
  • Last separation: 21.7
  • Mag first component: 8.26
  • Mag second component: 10.12
  • Spectral type: M6III
  • Primary proper motion RA: 19
  • Primary proper motion DEC: 0
  • Secondary proper motion RA: -6
  • Secondary proper motion DEC: -6
  • Durchmusterung:
  • Notes: