21511+5023

  • Unique Name: 21511+5023HU 694
  • RA: 21 51 06.23
  • Dec: +50 23 20.5
  • Discoverer: HU
  • Discoverer Number: 694
  • Components:
  • First year: 1904
  • Last year: 2001
  • Observations: 11
  • First position angle: 193
  • Last position angle: 193
  • First separation: 1.7
  • Last separation: 1.5
  • Mag first component: 10.25
  • Mag second component: 10.98
  • Spectral type: A0
  • Primary proper motion RA: -4
  • Primary proper motion DEC: 1
  • Secondary proper motion RA: -4
  • Secondary proper motion DEC: 1
  • Durchmusterung: +49 3641
  • Notes: