21177+3345

  • Unique Name: 21177+3345HO 153
  • RA: 21 17 39.56
  • Dec: +33 45 29.8
  • Discoverer: HO
  • Discoverer Number: 153
  • Components:
  • First year: 1883
  • Last year: 2011
  • Observations: 53
  • First position angle: 111
  • Last position angle: 128
  • First separation: 0.8
  • Last separation: 0.9
  • Mag first component: 8.5
  • Mag second component: 9.55
  • Spectral type: A5
  • Primary proper motion RA: -8
  • Primary proper motion DEC: -39
  • Secondary proper motion RA: -8
  • Secondary proper motion DEC: -39
  • Durchmusterung: +33 4219
  • Notes:
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