18172+2640

  • Unique Name: 18172+2640A 241
  • RA: 18 17 10.10
  • Dec: +26 40 33.3
  • Discoverer: A
  • Discoverer Number: 241
  • Components:
  • First year: 1901
  • Last year: 2010
  • Observations: 14
  • First position angle: 288
  • Last position angle: 281
  • First separation: 0.5
  • Last separation: 0.6
  • Mag first component: 10.56
  • Mag second component: 10.7
  • Spectral type: F2
  • Primary proper motion RA: -2
  • Primary proper motion DEC: -23
  • Secondary proper motion RA: -2
  • Secondary proper motion DEC: -23
  • Durchmusterung: +26 3211
  • Notes: