21203+4921

  • Unique Name: 21203+4921BU 839CB
  • RA: 21 20 17.46
  • Dec: +49 20 35.7
  • Discoverer: BU
  • Discoverer Number: 839
  • Components: CB
  • First year: 1881
  • Last year: 2003
  • Observations: 10
  • First position angle: 6
  • Last position angle: 30
  • First separation: 6.5
  • Last separation: 13.7
  • Mag first component: 10.12
  • Mag second component: 11.9
  • Spectral type:
  • Primary proper motion RA:
  • Primary proper motion DEC:
  • Secondary proper motion RA: -6
  • Secondary proper motion DEC: -6
  • Durchmusterung:
  • Notes: