21203+3839

  • Unique Name: 21203+3839SEI1509
  • RA: 21 20 16.00
  • Dec: +38 38 56.6
  • Discoverer: SEI
  • Discoverer Number: 1509
  • Components:
  • First year: 1895
  • Last year: 2010
  • Observations: 9
  • First position angle: 33
  • Last position angle: 29
  • First separation: 26.4
  • Last separation: 24.6
  • Mag first component: 9.08
  • Mag second component: 11.5
  • Spectral type: F8
  • Primary proper motion RA: 23
  • Primary proper motion DEC: 5
  • Secondary proper motion RA: 4
  • Secondary proper motion DEC: -3
  • Durchmusterung: +38 4455
  • Notes: