17420+1557

  • Unique Name: 17420+1557BU 1251AC
  • RA: 17 41 58.64
  • Dec: +15 57 07.8
  • Discoverer: BU
  • Discoverer Number: 1251
  • Components: AC
  • First year: 1910
  • Last year: 2001
  • Observations: 5
  • First position angle: 276
  • Last position angle: 271
  • First separation: 155.1
  • Last separation: 154.7
  • Mag first component: 5.59
  • Mag second component: 12.4
  • Spectral type: F3IV
  • Primary proper motion RA: -7
  • Primary proper motion DEC: 103
  • Secondary proper motion RA: 3
  • Secondary proper motion DEC: -6
  • Durchmusterung:
  • Notes: N
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