21520+5548

  • Unique Name: 21520+5548STF2840AC
  • RA: 21 52 01.02
  • Dec: +55 47 48.3
  • Discoverer: STF
  • Discoverer Number: 2840
  • Components: AC
  • First year: 1912
  • Last year: 2003
  • Observations: 3
  • First position angle: 348
  • Last position angle: 346
  • First separation: 55.2
  • Last separation: 55.3
  • Mag first component: 5.64
  • Mag second component: 13.1
  • Spectral type: B6IV-V
  • Primary proper motion RA: 19
  • Primary proper motion DEC: -1
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: N
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