18487+1803

  • Unique Name: 18487+1803BPM 840
  • RA: 18 48 42.91
  • Dec: +18 02 53.6
  • Discoverer: BPM
  • Discoverer Number: 840
  • Components:
  • First year: 1997
  • Last year: 2001
  • Observations: 3
  • First position angle: 103
  • Last position angle: 103
  • First separation: 102.7
  • Last separation: 102.8
  • Mag first component: 14.49
  • Mag second component: 14.54
  • Spectral type:
  • Primary proper motion RA: -17
  • Primary proper motion DEC: -17
  • Secondary proper motion RA: -1
  • Secondary proper motion DEC: -10
  • Durchmusterung:
  • Notes: NV