21505+1953

  • Unique Name: 21505+1953LDS4916
  • RA: 21 50 25.65
  • Dec: +19 53 11.7
  • Discoverer: LDS
  • Discoverer Number: 4916
  • Components:
  • First year: 1960
  • Last year: 2000
  • Observations: 2
  • First position angle: 311
  • Last position angle: 298
  • First separation: 141.0
  • Last separation: 198.2
  • Mag first component: 17.9
  • Mag second component: 18.2
  • Spectral type: DA
  • Primary proper motion RA: 138
  • Primary proper motion DEC: -24
  • Secondary proper motion RA: 112
  • Secondary proper motion DEC: -11
  • Durchmusterung:
  • Notes: