21280+5317

  • Unique Name: 21280+5317HDS3055
  • RA: 21 27 59.77
  • Dec: +53 17 21.4
  • Discoverer: HDS
  • Discoverer Number: 3055
  • Components:
  • First year: 1991
  • Last year: 2010
  • Observations: 3
  • First position angle: 33
  • Last position angle: 34
  • First separation: 0.5
  • Last separation: 0.4
  • Mag first component: 7.28
  • Mag second component: 9.89
  • Spectral type: A0
  • Primary proper motion RA: 23
  • Primary proper motion DEC: -2
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +52 2945
  • Notes: