17040+4212

  • Unique Name: 17040+4212ES 634
  • RA: 17 04 00.87
  • Dec: +42 11 46.9
  • Discoverer: ES
  • Discoverer Number: 634
  • Components:
  • First year: 1908
  • Last year: 2009
  • Observations: 12
  • First position angle: 98
  • Last position angle: 95
  • First separation: 1.8
  • Last separation: 2.1
  • Mag first component: 10.8
  • Mag second component: 11.62
  • Spectral type:
  • Primary proper motion RA: 41
  • Primary proper motion DEC: -42
  • Secondary proper motion RA: 41
  • Secondary proper motion DEC: -42
  • Durchmusterung: +42 2789
  • Notes:
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