21400+3919

  • Unique Name: 21400+3919ALI 978
  • RA: 21 40 01.71
  • Dec: +39 18 47.7
  • Discoverer: ALI
  • Discoverer Number: 978
  • Components:
  • First year: 1928
  • Last year: 2002
  • Observations: 4
  • First position angle: 10
  • Last position angle: 12
  • First separation: 14.4
  • Last separation: 13.6
  • Mag first component: 11.46
  • Mag second component: 13.59
  • Spectral type:
  • Primary proper motion RA: 4
  • Primary proper motion DEC: 5
  • Secondary proper motion RA: 2
  • Secondary proper motion DEC: -11
  • Durchmusterung:
  • Notes:
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