21173+5837

  • Unique Name: 21173+5837BU 1140AB
  • RA: 21 17 18.79
  • Dec: +58 36 41.4
  • Discoverer: BU
  • Discoverer Number: 1140
  • Components: AB
  • First year: 1889
  • Last year: 1989
  • Observations: 8
  • First position angle: 277
  • Last position angle: 274
  • First separation: 3.9
  • Last separation: 4.0
  • Mag first component: 6.4
  • Mag second component: 12.0
  • Spectral type: B3III
  • Primary proper motion RA: -3
  • Primary proper motion DEC: 5
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +57 2309
  • Notes: N
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