21555+1053

  • Unique Name: 21555+1053BU 75AB,C
  • RA: 21 55 31.42
  • Dec: +10 52 49.5
  • Discoverer: BU
  • Discoverer Number: 75
  • Components: AB,C
  • First year: 1907
  • Last year: 2012
  • Observations: 10
  • First position angle: 213
  • Last position angle: 211
  • First separation: 49.7
  • Last separation: 35.3
  • Mag first component: 7.72
  • Mag second component: 12.5
  • Spectral type: G5
  • Primary proper motion RA: -75
  • Primary proper motion DEC: -115
  • Secondary proper motion RA: -2
  • Secondary proper motion DEC: -7
  • Durchmusterung:
  • Notes: N
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