21564+3156

  • Unique Name: 21564+3156HJ 1707
  • RA: 21 56 26.52
  • Dec: +31 56 42.7
  • Discoverer: HJ
  • Discoverer Number: 1707
  • Components:
  • First year: 1828
  • Last year: 2011
  • Observations: 26
  • First position angle: 320
  • Last position angle: 351
  • First separation: 3.0
  • Last separation: 9.5
  • Mag first component: 10.63
  • Mag second component: 12.3
  • Spectral type:
  • Primary proper motion RA: -12
  • Primary proper motion DEC: -17
  • Secondary proper motion RA: 7
  • Secondary proper motion DEC: 3
  • Durchmusterung:
  • Notes: N
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