21129+3717

  • Unique Name: 21129+3717SEI1449
  • RA: 21 12 55.63
  • Dec: +37 17 04.6
  • Discoverer: SEI
  • Discoverer Number: 1449
  • Components:
  • First year: 1896
  • Last year: 2012
  • Observations: 5
  • First position angle: 288
  • Last position angle: 296
  • First separation: 16.7
  • Last separation: 14.0
  • Mag first component: 12.36
  • Mag second component: 12.7
  • Spectral type:
  • Primary proper motion RA: -25
  • Primary proper motion DEC: -12
  • Secondary proper motion RA: 3
  • Secondary proper motion DEC: -5
  • Durchmusterung:
  • Notes:
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