21490+2456

  • Unique Name: 21490+2456POU5513AC
  • RA: 21 48 54.22
  • Dec: +24 55 37.2
  • Discoverer: POU
  • Discoverer Number: 5513
  • Components: AC
  • First year: 1898
  • Last year: 2009
  • Observations: 4
  • First position angle: 67
  • Last position angle: 67
  • First separation: 10.8
  • Last separation: 11.3
  • Mag first component: 12.35
  • Mag second component: 13.76
  • Spectral type:
  • Primary proper motion RA: -8
  • Primary proper motion DEC: -11
  • Secondary proper motion RA: 5
  • Secondary proper motion DEC: -2
  • Durchmusterung:
  • Notes:
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