21555+6519

  • Unique Name: 21555+6519STT 457
  • RA: 21 55 30.99
  • Dec: +65 19 14.9
  • Discoverer: STT
  • Discoverer Number: 457
  • Components:
  • First year: 1847
  • Last year: 2011
  • Observations: 31
  • First position angle: 243
  • Last position angle: 245
  • First separation: 1.1
  • Last separation: 1.3
  • Mag first component: 6.01
  • Mag second component: 8.17
  • Spectral type: B2.5Ve
  • Primary proper motion RA: 11
  • Primary proper motion DEC: 1
  • Secondary proper motion RA: 11
  • Secondary proper motion DEC: 1
  • Durchmusterung: +64 1607
  • Notes: D