20509+0101

  • Unique Name: 20509+0101RST5472AB
  • RA: 20 50 54.66
  • Dec: +01 01 11.9
  • Discoverer: RST
  • Discoverer Number: 5472
  • Components: AB
  • First year: 1946
  • Last year: 2000
  • Observations: 3
  • First position angle: 79
  • Last position angle: 79
  • First separation: 3.3
  • Last separation: 3.3
  • Mag first component: 9.91
  • Mag second component: 12.6
  • Spectral type:
  • Primary proper motion RA: -17
  • Primary proper motion DEC: -156
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +00 4594
  • Notes: