21553+2850

  • Unique Name: 21553+2850COU 836
  • RA: 21 55 20.25
  • Dec: +28 49 35.5
  • Discoverer: COU
  • Discoverer Number: 836
  • Components:
  • First year: 1972
  • Last year: 2001
  • Observations: 6
  • First position angle: 156
  • Last position angle: 162
  • First separation: 0.9
  • Last separation: 1.2
  • Mag first component: 11.54
  • Mag second component: 11.66
  • Spectral type: F5
  • Primary proper motion RA: -8
  • Primary proper motion DEC: -10
  • Secondary proper motion RA: -8
  • Secondary proper motion DEC: -10
  • Durchmusterung: +28 4233
  • Notes: