21045+2457

  • Unique Name: 21045+2457SLE 520AC
  • RA: 21 04 29.23
  • Dec: +24 57 03.5
  • Discoverer: SLE
  • Discoverer Number: 520
  • Components: AC
  • First year: 1891
  • Last year: 2008
  • Observations: 8
  • First position angle: 146
  • Last position angle: 143
  • First separation: 42.2
  • Last separation: 44.3
  • Mag first component: 9.73
  • Mag second component: 12.12
  • Spectral type: K2
  • Primary proper motion RA: 2
  • Primary proper motion DEC: 5
  • Secondary proper motion RA: 12
  • Secondary proper motion DEC: -2
  • Durchmusterung:
  • Notes:
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