21504+0839

  • Unique Name: 21504+0839HJ 944
  • RA: 21 50 28.29
  • Dec: +08 38 09.9
  • Discoverer: HJ
  • Discoverer Number: 944
  • Components:
  • First year: 1827
  • Last year: 2000
  • Observations: 4
  • First position angle: 5
  • Last position angle: 16
  • First separation: 5.0
  • Last separation: 20.1
  • Mag first component: 10.51
  • Mag second component: 13.6
  • Spectral type:
  • Primary proper motion RA: -17
  • Primary proper motion DEC: -26
  • Secondary proper motion RA: 9
  • Secondary proper motion DEC: -5
  • Durchmusterung:
  • Notes: