21551+0355

  • Unique Name: 21551+0355HEI 823
  • RA: 21 55 05.87
  • Dec: +03 55 14.9
  • Discoverer: HEI
  • Discoverer Number: 823
  • Components:
  • First year: 1990
  • Last year: 2007
  • Observations: 4
  • First position angle: 82
  • Last position angle: 83
  • First separation: 2.2
  • Last separation: 2.4
  • Mag first component: 10.77
  • Mag second component: 11.62
  • Spectral type:
  • Primary proper motion RA: 11
  • Primary proper motion DEC: 6
  • Secondary proper motion RA: 11
  • Secondary proper motion DEC: 6
  • Durchmusterung: +03 4633
  • Notes: