20448+2051

  • Unique Name: 20448+2051A 172
  • RA: 20 44 50.65
  • Dec: +20 50 52.7
  • Discoverer: A
  • Discoverer Number: 172
  • Components:
  • First year: 1895
  • Last year: 2009
  • Observations: 18
  • First position angle: 223
  • Last position angle: 220
  • First separation: 2.8
  • Last separation: 2.8
  • Mag first component: 9.82
  • Mag second component: 10.84
  • Spectral type: F5
  • Primary proper motion RA: -11
  • Primary proper motion DEC: -18
  • Secondary proper motion RA: -7
  • Secondary proper motion DEC: -3
  • Durchmusterung: +20 4703
  • Notes: