20173+5201

  • Unique Name: 20173+5201ES 660AB
  • RA: 20 17 15.58
  • Dec: +52 00 37.2
  • Discoverer: ES
  • Discoverer Number: 660
  • Components: AB
  • First year: 1897
  • Last year: 2012
  • Observations: 11
  • First position angle: 305
  • Last position angle: 305
  • First separation: 29.8
  • Last separation: 29.6
  • Mag first component: 10.19
  • Mag second component: 10.26
  • Spectral type: A0
  • Primary proper motion RA: -1
  • Primary proper motion DEC: 0
  • Secondary proper motion RA: -2
  • Secondary proper motion DEC: 0
  • Durchmusterung: +51 2821
  • Notes: