21550+5540

  • Unique Name: 21550+5540STI2600
  • RA: 21 54 57.47
  • Dec: +55 40 45.3
  • Discoverer: STI
  • Discoverer Number: 2600
  • Components:
  • First year: 1917
  • Last year: 2012
  • Observations: 4
  • First position angle: 107
  • Last position angle: 110
  • First separation: 4.4
  • Last separation: 4.1
  • Mag first component: 12.7
  • Mag second component: 12.7
  • Spectral type:
  • Primary proper motion RA: -26
  • Primary proper motion DEC: 11
  • Secondary proper motion RA: 7
  • Secondary proper motion DEC: -1
  • Durchmusterung:
  • Notes:
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