21197+4228

  • Unique Name: 21197+4228ES 1583AB
  • RA: 21 19 41.17
  • Dec: +42 28 37.2
  • Discoverer: ES
  • Discoverer Number: 1583
  • Components: AB
  • First year: 1895
  • Last year: 2013
  • Observations: 8
  • First position angle: 240
  • Last position angle: 238
  • First separation: 13.6
  • Last separation: 13.0
  • Mag first component: 11.14
  • Mag second component: 11.32
  • Spectral type: A2Vb
  • Primary proper motion RA: 2
  • Primary proper motion DEC: 1
  • Secondary proper motion RA: 5
  • Secondary proper motion DEC: -1
  • Durchmusterung: +41 4093
  • Notes: U
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