21504+2303

  • Unique Name: 21504+2303J 3147AB
  • RA: 21 50 17.24
  • Dec: +23 04 22.7
  • Discoverer: J
  • Discoverer Number: 3147
  • Components: AB
  • First year: 1944
  • Last year: 2006
  • Observations: 5
  • First position angle: 220
  • Last position angle: 219
  • First separation: 4.0
  • Last separation: 5.1
  • Mag first component: 12.4
  • Mag second component: 12.4
  • Spectral type:
  • Primary proper motion RA: 0
  • Primary proper motion DEC: -9
  • Secondary proper motion RA: -11
  • Secondary proper motion DEC: -14
  • Durchmusterung:
  • Notes:
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