09171+4040

  • Unique Name: 09171+4040A 1981
  • RA: 09 17 03.67
  • Dec: +40 40 20.3
  • Discoverer: A
  • Discoverer Number: 1981
  • Components:
  • First year: 1909
  • Last year: 1991
  • Observations: 7
  • First position angle: 332
  • Last position angle: 339
  • First separation: 0.3
  • Last separation: 0.3
  • Mag first component: 10.52
  • Mag second component: 11.23
  • Spectral type: F0
  • Primary proper motion RA: -21
  • Primary proper motion DEC: 0
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +41 1942
  • Notes: