21402+4316

  • Unique Name: 21402+4316AC 20AB
  • RA: 21 40 11.06
  • Dec: +43 16 25.7
  • Discoverer: AC
  • Discoverer Number: 20
  • Components: AB
  • First year: 1860
  • Last year: 2008
  • Observations: 16
  • First position angle: 323
  • Last position angle: 327
  • First separation: 2.9
  • Last separation: 2.7
  • Mag first component: 5.28
  • Mag second component: 10.1
  • Spectral type: M2III
  • Primary proper motion RA: 63
  • Primary proper motion DEC: 16
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +42 4177
  • Notes: N
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