21197+5455

  • Unique Name: 21197+5455A 1694
  • RA: 21 19 39.30
  • Dec: +54 54 59.1
  • Discoverer: A
  • Discoverer Number: 1694
  • Components:
  • First year: 1907
  • Last year: 2001
  • Observations: 10
  • First position angle: 81
  • Last position angle: 91
  • First separation: 0.5
  • Last separation: 0.6
  • Mag first component: 10.12
  • Mag second component: 10.5
  • Spectral type: F2
  • Primary proper motion RA: 16
  • Primary proper motion DEC: 13
  • Secondary proper motion RA: 16
  • Secondary proper motion DEC: 13
  • Durchmusterung: +54 2516
  • Notes: