17555+4108

  • Unique Name: 17555+4108ES 1557AC
  • RA: 17 55 31.53
  • Dec: +41 07 48.5
  • Discoverer: ES
  • Discoverer Number: 1557
  • Components: AC
  • First year: 1916
  • Last year: 2011
  • Observations: 5
  • First position angle: 38
  • Last position angle: 215
  • First separation: 28.0
  • Last separation: 27.1
  • Mag first component: 9.08
  • Mag second component: 11.4
  • Spectral type: F3V
  • Primary proper motion RA: -17
  • Primary proper motion DEC: -16
  • Secondary proper motion RA: -3
  • Secondary proper motion DEC: -13
  • Durchmusterung:
  • Notes: U