19559+4912

  • Unique Name: 19559+4912HU 688
  • RA: 19 55 54.46
  • Dec: +49 11 43.6
  • Discoverer: HU
  • Discoverer Number: 688
  • Components:
  • First year: 1904
  • Last year: 1991
  • Observations: 5
  • First position angle: 291
  • Last position angle: 290
  • First separation: 4.1
  • Last separation: 4.0
  • Mag first component: 8.07
  • Mag second component: 11.77
  • Spectral type: B9
  • Primary proper motion RA: 2
  • Primary proper motion DEC: -11
  • Secondary proper motion RA: -4
  • Secondary proper motion DEC: -12
  • Durchmusterung: +48 2984
  • Notes: