21154+3902

  • Unique Name: 21154+3902SEI1477
  • RA: 21 15 25.50
  • Dec: +39 01 53.1
  • Discoverer: SEI
  • Discoverer Number: 1477
  • Components:
  • First year: 1895
  • Last year: 2002
  • Observations: 5
  • First position angle: 60
  • Last position angle: 59
  • First separation: 19.1
  • Last separation: 20.7
  • Mag first component: 10.77
  • Mag second component: 11.3
  • Spectral type:
  • Primary proper motion RA: -2
  • Primary proper motion DEC: -4
  • Secondary proper motion RA: 9
  • Secondary proper motion DEC: 2
  • Durchmusterung:
  • Notes: