20139+4539

  • Unique Name: 20139+4539POP 138
  • RA: 20 13 54.48
  • Dec: +45 39 37.6
  • Discoverer: POP
  • Discoverer Number: 138
  • Components:
  • First year: 1977
  • Last year: 1991
  • Observations: 6
  • First position angle: 34
  • Last position angle: 50
  • First separation: 0.4
  • Last separation: 0.5
  • Mag first component: 10.5
  • Mag second component: 10.68
  • Spectral type: F8
  • Primary proper motion RA: -4
  • Primary proper motion DEC: -5
  • Secondary proper motion RA: -4
  • Secondary proper motion DEC: -5
  • Durchmusterung: +45 3102
  • Notes: