20531+2909

  • Unique Name: 20531+2909STT 417AB,C
  • RA: 20 53 04.23
  • Dec: +29 08 43.7
  • Discoverer: STT
  • Discoverer Number: 417
  • Components: AB,C
  • First year: 1843
  • Last year: 2009
  • Observations: 24
  • First position angle: 110
  • Last position angle: 108
  • First separation: 31.5
  • Last separation: 30.6
  • Mag first component: 8.24
  • Mag second component: 10.5
  • Spectral type: A0
  • Primary proper motion RA: 12
  • Primary proper motion DEC: -5
  • Secondary proper motion RA: 16
  • Secondary proper motion DEC: -2
  • Durchmusterung:
  • Notes: