21187+3348

  • Unique Name: 21187+3348HU 770
  • RA: 21 18 42.87
  • Dec: +33 47 44.6
  • Discoverer: HU
  • Discoverer Number: 770
  • Components:
  • First year: 1904
  • Last year: 2009
  • Observations: 11
  • First position angle: 307
  • Last position angle: 312
  • First separation: 1.0
  • Last separation: 0.9
  • Mag first component: 10.26
  • Mag second component: 10.71
  • Spectral type: F5
  • Primary proper motion RA: 16
  • Primary proper motion DEC: 4
  • Secondary proper motion RA: 16
  • Secondary proper motion DEC: 4
  • Durchmusterung: +33 4223
  • Notes:
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