21316+4420

  • Unique Name: 21316+4420ES 1337AC
  • RA: 21 31 37.45
  • Dec: +44 21 32.5
  • Discoverer: ES
  • Discoverer Number: 1337
  • Components: AC
  • First year: 1914
  • Last year: 2002
  • Observations: 4
  • First position angle: 148
  • Last position angle: 151
  • First separation: 22.5
  • Last separation: 22.7
  • Mag first component: 9.03
  • Mag second component: 11.9
  • Spectral type:
  • Primary proper motion RA: 19
  • Primary proper motion DEC: 3
  • Secondary proper motion RA: 8
  • Secondary proper motion DEC: -10
  • Durchmusterung:
  • Notes: