21509+4419

  • Unique Name: 21509+4419HJ 1700
  • RA: 21 50 48.78
  • Dec: +44 18 22.0
  • Discoverer: HJ
  • Discoverer Number: 1700
  • Components:
  • First year: 1828
  • Last year: 2002
  • Observations: 4
  • First position angle: 196
  • Last position angle: 197
  • First separation: 3.0
  • Last separation: 9.7
  • Mag first component: 11.27
  • Mag second component: 11.9
  • Spectral type:
  • Primary proper motion RA: 2
  • Primary proper motion DEC: 2
  • Secondary proper motion RA: 2
  • Secondary proper motion DEC: 1
  • Durchmusterung:
  • Notes: