21109+4034

  • Unique Name: 21109+4034ES 255
  • RA: 21 10 57.86
  • Dec: +40 32 52.2
  • Discoverer: ES
  • Discoverer Number: 255
  • Components:
  • First year: 1895
  • Last year: 2002
  • Observations: 5
  • First position angle: 36
  • Last position angle: 34
  • First separation: 4.5
  • Last separation: 4.6
  • Mag first component: 10.13
  • Mag second component: 12.9
  • Spectral type:
  • Primary proper motion RA: 0
  • Primary proper motion DEC: -3
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +39 4473
  • Notes: