21100+4901

  • Unique Name: 21100+4901HDS3016
  • RA: 21 09 59.12
  • Dec: +49 01 08.5
  • Discoverer: HDS
  • Discoverer Number: 3016
  • Components:
  • First year: 1991
  • Last year: 2007
  • Observations: 3
  • First position angle: 27
  • Last position angle: 26
  • First separation: 0.3
  • Last separation: 0.3
  • Mag first component: 9.33
  • Mag second component: 10.72
  • Spectral type: B5
  • Primary proper motion RA: -3
  • Primary proper motion DEC: -4
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +48 3298
  • Notes:
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