18203+2104

  • Unique Name: 18203+2104HDS2592
  • RA: 18 20 18.19
  • Dec: +21 04 25.0
  • Discoverer: HDS
  • Discoverer Number: 2592
  • Components:
  • First year: 1991
  • Last year: 2008
  • Observations: 2
  • First position angle: 185
  • Last position angle: 184
  • First separation: 0.4
  • Last separation: 0.5
  • Mag first component: 7.8
  • Mag second component: 11.36
  • Spectral type: B9
  • Primary proper motion RA: -1
  • Primary proper motion DEC: -8
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +21 3388
  • Notes: