21047+3908

  • Unique Name: 21047+3908SEI1393
  • RA: 21 04 40.24
  • Dec: +39 07 59.3
  • Discoverer: SEI
  • Discoverer Number: 1393
  • Components:
  • First year: 1895
  • Last year: 2004
  • Observations: 7
  • First position angle: 142
  • Last position angle: 133
  • First separation: 28.0
  • Last separation: 26.7
  • Mag first component: 9.67
  • Mag second component: 10.58
  • Spectral type:
  • Primary proper motion RA: -8
  • Primary proper motion DEC: -38
  • Secondary proper motion RA: 5
  • Secondary proper motion DEC: -2
  • Durchmusterung: +38 4333
  • Notes: