17558+3117

  • Unique Name: 17558+3117SEI 552
  • RA: 17 55 49.46
  • Dec: +31 17 52.8
  • Discoverer: SEI
  • Discoverer Number: 552
  • Components:
  • First year: 1899
  • Last year: 2008
  • Observations: 11
  • First position angle: 233
  • Last position angle: 235
  • First separation: 5.5
  • Last separation: 5.6
  • Mag first component: 10.57
  • Mag second component: 11.3
  • Spectral type:
  • Primary proper motion RA: -3
  • Primary proper motion DEC: 4
  • Secondary proper motion RA: -7
  • Secondary proper motion DEC: -6
  • Durchmusterung:
  • Notes: N