21401+4824

  • Unique Name: 21401+4824HJ 1681
  • RA: 21 40 03.50
  • Dec: +48 24 24.5
  • Discoverer: HJ
  • Discoverer Number: 1681
  • Components:
  • First year: 1828
  • Last year: 2004
  • Observations: 15
  • First position angle: 114
  • Last position angle: 108
  • First separation: 5.0
  • Last separation: 7.4
  • Mag first component: 9.49
  • Mag second component: 10.19
  • Spectral type:
  • Primary proper motion RA: -2
  • Primary proper motion DEC: -11
  • Secondary proper motion RA: -2
  • Secondary proper motion DEC: -5
  • Durchmusterung: +47 3521
  • Notes: