21223+3139

  • Unique Name: 21223+3139ES 377BC
  • RA: 21 22 18.05
  • Dec: +31 39 01.2
  • Discoverer: ES
  • Discoverer Number: 377
  • Components: BC
  • First year: 1906
  • Last year: 2012
  • Observations: 4
  • First position angle: 210
  • Last position angle: 210
  • First separation: 2.5
  • Last separation: 2.1
  • Mag first component: 11.82
  • Mag second component: 11.98
  • Spectral type:
  • Primary proper motion RA: -1
  • Primary proper motion DEC: -6
  • Secondary proper motion RA: -1
  • Secondary proper motion DEC: -6
  • Durchmusterung:
  • Notes: