21177+2815

  • Unique Name: 21177+2815TDT2889
  • RA: 21 17 39.81
  • Dec: +28 15 18.5
  • Discoverer: TDT
  • Discoverer Number: 2889
  • Components:
  • First year: 1991
  • Last year: 1991
  • Observations: 1
  • First position angle: 45
  • Last position angle: 45
  • First separation: 0.5
  • Last separation: 0.5
  • Mag first component: 10.94
  • Mag second component: 11.02
  • Spectral type:
  • Primary proper motion RA: 34
  • Primary proper motion DEC: -1
  • Secondary proper motion RA: 34
  • Secondary proper motion DEC: -1
  • Durchmusterung:
  • Notes: