21558+3716

  • Unique Name: 21558+3716HO 174AB
  • RA: 21 55 48.33
  • Dec: +37 15 54.1
  • Discoverer: HO
  • Discoverer Number: 174
  • Components: AB
  • First year: 1881
  • Last year: 2011
  • Observations: 15
  • First position angle: 155
  • Last position angle: 335
  • First separation: 7.3
  • Last separation: 7.6
  • Mag first component: 10.38
  • Mag second component: 10.75
  • Spectral type: F2
  • Primary proper motion RA: -7
  • Primary proper motion DEC: -16
  • Secondary proper motion RA: -11
  • Secondary proper motion DEC: -13
  • Durchmusterung: +36 4710
  • Notes: N
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