20489+2939

  • Unique Name: 20489+2939TDT2559
  • RA: 20 48 54.57
  • Dec: +29 38 30.2
  • Discoverer: TDT
  • Discoverer Number: 2559
  • Components:
  • First year: 1991
  • Last year: 1991
  • Observations: 1
  • First position angle: 176
  • Last position angle: 176
  • First separation: 0.5
  • Last separation: 0.5
  • Mag first component: 10.97
  • Mag second component: 11.17
  • Spectral type:
  • Primary proper motion RA: 11
  • Primary proper motion DEC: -3
  • Secondary proper motion RA: 11
  • Secondary proper motion DEC: -3
  • Durchmusterung:
  • Notes: