21237+5518

  • Unique Name: 21237+5518A 1892
  • RA: 21 23 40.12
  • Dec: +55 17 38.7
  • Discoverer: A
  • Discoverer Number: 1892
  • Components:
  • First year: 1908
  • Last year: 2009
  • Observations: 16
  • First position angle: 347
  • Last position angle: 349
  • First separation: 0.7
  • Last separation: 0.8
  • Mag first component: 8.17
  • Mag second component: 9.31
  • Spectral type: A1V
  • Primary proper motion RA: -6
  • Primary proper motion DEC: -19
  • Secondary proper motion RA: -6
  • Secondary proper motion DEC: -19
  • Durchmusterung: +54 2530
  • Notes:
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