18477+1539

  • Unique Name: 18477+1539BPM 831
  • RA: 18 47 43.48
  • Dec: +15 39 07.6
  • Discoverer: BPM
  • Discoverer Number: 831
  • Components:
  • First year: 1995
  • Last year: 2001
  • Observations: 3
  • First position angle: 340
  • Last position angle: 340
  • First separation: 117.8
  • Last separation: 117.9
  • Mag first component: 15.31
  • Mag second component: 15.57
  • Spectral type:
  • Primary proper motion RA: -24
  • Primary proper motion DEC: -20
  • Secondary proper motion RA: 6
  • Secondary proper motion DEC: -12
  • Durchmusterung:
  • Notes: NV
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