21087+3719

  • Unique Name: 21087+3719SEI1415
  • RA: 21 08 42.94
  • Dec: +37 19 30.4
  • Discoverer: SEI
  • Discoverer Number: 1415
  • Components:
  • First year: 1896
  • Last year: 2002
  • Observations: 4
  • First position angle: 256
  • Last position angle: 256
  • First separation: 28.3
  • Last separation: 31.3
  • Mag first component: 11.3
  • Mag second component: 12.99
  • Spectral type:
  • Primary proper motion RA: 25
  • Primary proper motion DEC: -3
  • Secondary proper motion RA: -6
  • Secondary proper motion DEC: -9
  • Durchmusterung:
  • Notes: