21177+1636

  • Unique Name: 21177+1636J 850AB
  • RA: 21 17 39.02
  • Dec: +16 34 44.2
  • Discoverer: J
  • Discoverer Number: 850
  • Components: AB
  • First year: 1912
  • Last year: 2008
  • Observations: 11
  • First position angle: 245
  • Last position angle: 236
  • First separation: 1.6
  • Last separation: 2.4
  • Mag first component: 9.6
  • Mag second component: 12.5
  • Spectral type:
  • Primary proper motion RA: 29
  • Primary proper motion DEC: 2
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes:
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