21474+2834

  • Unique Name: 21474+2834A 300AB
  • RA: 21 47 26.09
  • Dec: +28 34 26.4
  • Discoverer: A
  • Discoverer Number: 300
  • Components: AB
  • First year: 1893
  • Last year: 2001
  • Observations: 13
  • First position angle: 252
  • Last position angle: 252
  • First separation: 2.0
  • Last separation: 2.4
  • Mag first component: 9.09
  • Mag second component: 10.5
  • Spectral type: A2
  • Primary proper motion RA: -7
  • Primary proper motion DEC: -16
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +27 4164
  • Notes: