21171+4001

  • Unique Name: 21171+4001SEI1489AC
  • RA: 21 17 04.75
  • Dec: +40 01 24.6
  • Discoverer: SEI
  • Discoverer Number: 1489
  • Components: AC
  • First year: 1895
  • Last year: 2012
  • Observations: 6
  • First position angle: 103
  • Last position angle: 102
  • First separation: 16.3
  • Last separation: 16.6
  • Mag first component: 9.7
  • Mag second component: 12.7
  • Spectral type: A0
  • Primary proper motion RA: 5
  • Primary proper motion DEC: 0
  • Secondary proper motion RA: 8
  • Secondary proper motion DEC: 0
  • Durchmusterung:
  • Notes:
ara.roma.it utilizza cookie tecnici necessari al funzionamento del sito e, previo consenso, cookie di terze parti (es. video YouTube, meteo). Cookie Policy