21199+3957

  • Unique Name: 21199+3957SEI1506
  • RA: 21 19 56.76
  • Dec: +39 57 00.4
  • Discoverer: SEI
  • Discoverer Number: 1506
  • Components:
  • First year: 1895
  • Last year: 2011
  • Observations: 24
  • First position angle: 88
  • Last position angle: 62
  • First separation: 3.0
  • Last separation: 7.5
  • Mag first component: 10.5
  • Mag second component: 11.0
  • Spectral type:
  • Primary proper motion RA: -23
  • Primary proper motion DEC: -27
  • Secondary proper motion RA: 18
  • Secondary proper motion DEC: 4
  • Durchmusterung:
  • Notes: