17555+4108

  • Unique Name: 17555+4108ES 1557AD
  • RA: 17 55 31.53
  • Dec: +41 07 48.5
  • Discoverer: ES
  • Discoverer Number: 1557
  • Components: AD
  • First year: 1988
  • Last year: 2003
  • Observations: 3
  • First position angle: 312
  • Last position angle: 312
  • First separation: 40.6
  • Last separation: 40.3
  • Mag first component: 9.08
  • Mag second component: 13.3
  • Spectral type: F3V
  • Primary proper motion RA: -17
  • Primary proper motion DEC: -16
  • Secondary proper motion RA: 7
  • Secondary proper motion DEC: -1
  • Durchmusterung:
  • Notes: U