21166+3817

  • Unique Name: 21166+3817SMA 147
  • RA: 21 16 39.29
  • Dec: +38 17 51.4
  • Discoverer: SMA
  • Discoverer Number: 147
  • Components:
  • First year: 1923
  • Last year: 2002
  • Observations: 3
  • First position angle: 328
  • Last position angle: 320
  • First separation: 12.5
  • Last separation: 13.1
  • Mag first component: 11.88
  • Mag second component: 12.4
  • Spectral type:
  • Primary proper motion RA: 14
  • Primary proper motion DEC: 2
  • Secondary proper motion RA: -4
  • Secondary proper motion DEC: -9
  • Durchmusterung:
  • Notes: