21339+4842

  • Unique Name: 21339+4842SWN 7
  • RA: 21 33 57.10
  • Dec: +48 42 09.8
  • Discoverer: SWN
  • Discoverer Number: 7
  • Components:
  • First year: 1952
  • Last year: 2003
  • Observations: 2
  • First position angle: 304
  • Last position angle: 313
  • First separation: 2.2
  • Last separation: 1.9
  • Mag first component: 11.9
  • Mag second component: 12.2
  • Spectral type: B9V
  • Primary proper motion RA: 0
  • Primary proper motion DEC: 0
  • Secondary proper motion RA: 8
  • Secondary proper motion DEC: 2
  • Durchmusterung:
  • Notes: