21308+3440

  • Unique Name: 21308+3440SEI1522
  • RA: 21 30 49.43
  • Dec: +34 39 17.3
  • Discoverer: SEI
  • Discoverer Number: 1522
  • Components:
  • First year: 1894
  • Last year: 2008
  • Observations: 9
  • First position angle: 178
  • Last position angle: 179
  • First separation: 22.8
  • Last separation: 24.0
  • Mag first component: 11.08
  • Mag second component: 11.34
  • Spectral type:
  • Primary proper motion RA: -1
  • Primary proper motion DEC: -5
  • Secondary proper motion RA: -9
  • Secondary proper motion DEC: -11
  • Durchmusterung: +34 4442
  • Notes:
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