21317+0312

  • Unique Name: 21317+0312J 1723
  • RA: 21 31 43.56
  • Dec: +03 13 48.3
  • Discoverer: J
  • Discoverer Number: 1723
  • Components:
  • First year: 1941
  • Last year: 2000
  • Observations: 7
  • First position angle: 120
  • Last position angle: 120
  • First separation: 2.0
  • Last separation: 2.4
  • Mag first component: 11.53
  • Mag second component: 11.72
  • Spectral type:
  • Primary proper motion RA: -43
  • Primary proper motion DEC: 43
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: