21397+5815

  • Unique Name: 21397+5815MLB 90AB
  • RA: 21 39 44.44
  • Dec: +58 14 44.0
  • Discoverer: MLB
  • Discoverer Number: 90
  • Components: AB
  • First year: 1905
  • Last year: 2003
  • Observations: 7
  • First position angle: 41
  • Last position angle: 37
  • First separation: 8.7
  • Last separation: 8.1
  • Mag first component: 9.16
  • Mag second component: 11.98
  • Spectral type: B5
  • Primary proper motion RA: -2
  • Primary proper motion DEC: -6
  • Secondary proper motion RA: -6
  • Secondary proper motion DEC: -4
  • Durchmusterung: +57 2360
  • Notes:
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