21017+2803

  • Unique Name: 21017+2803TDT2702
  • RA: 21 01 39.71
  • Dec: +28 03 07.1
  • Discoverer: TDT
  • Discoverer Number: 2702
  • Components:
  • First year: 1991
  • Last year: 1991
  • Observations: 1
  • First position angle: 25
  • Last position angle: 25
  • First separation: 2.6
  • Last separation: 2.6
  • Mag first component: 11.72
  • Mag second component: 12.37
  • Spectral type:
  • Primary proper motion RA: -3
  • Primary proper motion DEC: -2
  • Secondary proper motion RA: -3
  • Secondary proper motion DEC: -2
  • Durchmusterung:
  • Notes: