21474+2855

  • Unique Name: 21474+2855AG 420
  • RA: 21 47 24.31
  • Dec: +28 54 54.2
  • Discoverer: AG
  • Discoverer Number: 420
  • Components:
  • First year: 1894
  • Last year: 2008
  • Observations: 10
  • First position angle: 155
  • Last position angle: 147
  • First separation: 10.1
  • Last separation: 7.5
  • Mag first component: 11.1
  • Mag second component: 11.9
  • Spectral type: K0
  • Primary proper motion RA: 0
  • Primary proper motion DEC: -4
  • Secondary proper motion RA: 4
  • Secondary proper motion DEC: 24
  • Durchmusterung: +28 4192
  • Notes: