20174-4750

  • Unique Name: 20174-4750UC 4139
  • RA: 20 17 22.17
  • Dec: -47 49 59.8
  • Discoverer: UC
  • Discoverer Number: 4139
  • Components:
  • First year: 1998
  • Last year: 1999
  • Observations: 2
  • First position angle: 4
  • Last position angle: 4
  • First separation: 30.2
  • Last separation: 30.2
  • Mag first component: 12.8
  • Mag second component: 15.1
  • Spectral type:
  • Primary proper motion RA: 8
  • Primary proper motion DEC: -74
  • Secondary proper motion RA: 5
  • Secondary proper motion DEC: -72
  • Durchmusterung:
  • Notes: V