21391+4421

  • Unique Name: 21391+4421HJ 1673
  • RA: 21 39 06.72
  • Dec: +44 20 38.9
  • Discoverer: HJ
  • Discoverer Number: 1673
  • Components:
  • First year: 1828
  • Last year: 2004
  • Observations: 12
  • First position angle: 86
  • Last position angle: 81
  • First separation: 3.0
  • Last separation: 5.9
  • Mag first component: 9.47
  • Mag second component: 9.98
  • Spectral type:
  • Primary proper motion RA: 0
  • Primary proper motion DEC: -3
  • Secondary proper motion RA: 5
  • Secondary proper motion DEC: -1
  • Durchmusterung: +43 3995
  • Notes: N
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