21055+5340

  • Unique Name: 21055+5340BU 680AB
  • RA: 21 05 30.82
  • Dec: +53 40 05.5
  • Discoverer: BU
  • Discoverer Number: 680
  • Components: AB
  • First year: 1877
  • Last year: 2008
  • Observations: 39
  • First position angle: 311
  • Last position angle: 284
  • First separation: 0.5
  • Last separation: 0.6
  • Mag first component: 8.7
  • Mag second component: 9.38
  • Spectral type: A0
  • Primary proper motion RA: 7
  • Primary proper motion DEC: 8
  • Secondary proper motion RA: 7
  • Secondary proper motion DEC: 8
  • Durchmusterung: +53 2546
  • Notes:
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