21397+5815

  • Unique Name: 21397+5815MLB 90AC
  • RA: 21 39 44.44
  • Dec: +58 14 44.0
  • Discoverer: MLB
  • Discoverer Number: 90
  • Components: AC
  • First year: 1905
  • Last year: 2003
  • Observations: 5
  • First position angle: 137
  • Last position angle: 137
  • First separation: 29.2
  • Last separation: 29.5
  • Mag first component: 9.16
  • Mag second component: 11.34
  • Spectral type: B5
  • Primary proper motion RA: -2
  • Primary proper motion DEC: -6
  • Secondary proper motion RA: 3
  • Secondary proper motion DEC: -2
  • Durchmusterung:
  • Notes: