20531+2909

  • Unique Name: 20531+2909STT 417AB
  • RA: 20 53 04.23
  • Dec: +29 08 43.7
  • Discoverer: STT
  • Discoverer Number: 417
  • Components: AB
  • First year: 1847
  • Last year: 2011
  • Observations: 87
  • First position angle: 30
  • Last position angle: 26
  • First separation: 0.5
  • Last separation: 0.9
  • Mag first component: 8.24
  • Mag second component: 8.42
  • Spectral type: A0
  • Primary proper motion RA: 11
  • Primary proper motion DEC: -2
  • Secondary proper motion RA: 11
  • Secondary proper motion DEC: -2
  • Durchmusterung: +28 3916
  • Notes: