21497+5342

  • Unique Name: 21497+5342ES 681
  • RA: 21 49 42.05
  • Dec: +53 42 20.4
  • Discoverer: ES
  • Discoverer Number: 681
  • Components:
  • First year: 1908
  • Last year: 2002
  • Observations: 5
  • First position angle: 226
  • Last position angle: 224
  • First separation: 2.1
  • Last separation: 2.1
  • Mag first component: 11.23
  • Mag second component: 11.48
  • Spectral type:
  • Primary proper motion RA: -9
  • Primary proper motion DEC: -1
  • Secondary proper motion RA: -9
  • Secondary proper motion DEC: -1
  • Durchmusterung: +53 2715
  • Notes:
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