20309+0400

  • Unique Name: 20309+0400BAL2538
  • RA: 20 30 53.46
  • Dec: +03 59 59.2
  • Discoverer: BAL
  • Discoverer Number: 2538
  • Components:
  • First year: 1910
  • Last year: 2006
  • Observations: 5
  • First position angle: 202
  • Last position angle: 202
  • First separation: 10.7
  • Last separation: 10.8
  • Mag first component: 11.11
  • Mag second component: 12.8
  • Spectral type:
  • Primary proper motion RA: -1
  • Primary proper motion DEC: -14
  • Secondary proper motion RA: -9
  • Secondary proper motion DEC: -14
  • Durchmusterung:
  • Notes: