20155+4030

  • Unique Name: 20155+4030A 390
  • RA: 20 15 27.59
  • Dec: +40 30 08.6
  • Discoverer: A
  • Discoverer Number: 390
  • Components:
  • First year: 1902
  • Last year: 2005
  • Observations: 9
  • First position angle: 324
  • Last position angle: 325
  • First separation: 0.7
  • Last separation: 0.8
  • Mag first component: 9.02
  • Mag second component: 10.32
  • Spectral type: A0
  • Primary proper motion RA: 3
  • Primary proper motion DEC: -5
  • Secondary proper motion RA: 3
  • Secondary proper motion DEC: -5
  • Durchmusterung: +40 4080
  • Notes: