21489+0523

  • Unique Name: 21489+0523HU 281
  • RA: 21 48 54.37
  • Dec: +05 22 49.8
  • Discoverer: HU
  • Discoverer Number: 281
  • Components:
  • First year: 1900
  • Last year: 2008
  • Observations: 13
  • First position angle: 147
  • Last position angle: 145
  • First separation: 1.6
  • Last separation: 1.4
  • Mag first component: 9.9
  • Mag second component: 10.54
  • Spectral type: A2
  • Primary proper motion RA: 19
  • Primary proper motion DEC: -10
  • Secondary proper motion RA: 19
  • Secondary proper motion DEC: -10
  • Durchmusterung: +04 4749
  • Notes: