21454+2819

  • Unique Name: 21454+2819J 3145
  • RA: 21 45 16.35
  • Dec: +28 20 24.9
  • Discoverer: J
  • Discoverer Number: 3145
  • Components:
  • First year: 1944
  • Last year: 2006
  • Observations: 6
  • First position angle: 115
  • Last position angle: 112
  • First separation: 4.0
  • Last separation: 5.4
  • Mag first component: 13.1
  • Mag second component: 14.0
  • Spectral type:
  • Primary proper motion RA: -1
  • Primary proper motion DEC: 3
  • Secondary proper motion RA: 22
  • Secondary proper motion DEC: 4
  • Durchmusterung:
  • Notes:
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