17181+2742

  • Unique Name: 17181+2742A 231
  • RA: 17 18 07.35
  • Dec: +27 42 27.8
  • Discoverer: A
  • Discoverer Number: 231
  • Components:
  • First year: 1901
  • Last year: 2007
  • Observations: 4
  • First position angle: 114
  • Last position angle: 107
  • First separation: 1.8
  • Last separation: 1.9
  • Mag first component: 9.55
  • Mag second component: 14.1
  • Spectral type: G5
  • Primary proper motion RA: -41
  • Primary proper motion DEC: -14
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +27 2786
  • Notes: