17209+2430

  • Unique Name: 17209+2430S 687AC
  • RA: 17 20 54.22
  • Dec: +24 29 58.0
  • Discoverer: S
  • Discoverer Number: 687
  • Components: AC
  • First year: 1894
  • Last year: 2012
  • Observations: 6
  • First position angle: 20
  • Last position angle: 20
  • First separation: 239.7
  • Last separation: 240.4
  • Mag first component: 5.12
  • Mag second component: 12.58
  • Spectral type: A2V
  • Primary proper motion RA: -19
  • Primary proper motion DEC: -1
  • Secondary proper motion RA: -1
  • Secondary proper motion DEC: -4
  • Durchmusterung:
  • Notes: N