21197+4228

  • Unique Name: 21197+4228ABH 144AD
  • RA: 21 19 41.17
  • Dec: +42 28 37.2
  • Discoverer: ABH
  • Discoverer Number: 144
  • Components: AD
  • First year: 1987
  • Last year: 2002
  • Observations: 3
  • First position angle: 113
  • Last position angle: 112
  • First separation: 64.7
  • Last separation: 64.4
  • Mag first component: 11.14
  • Mag second component: 11.49
  • Spectral type: A2Vb
  • Primary proper motion RA: 2
  • Primary proper motion DEC: 1
  • Secondary proper motion RA: -10
  • Secondary proper motion DEC: -5
  • Durchmusterung:
  • Notes: U
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