21105+4742

  • Unique Name: 21105+4742BU 159AD
  • RA: 21 10 30.96
  • Dec: +47 41 32.0
  • Discoverer: BU
  • Discoverer Number: 159
  • Components: AD
  • First year: 1911
  • Last year: 2012
  • Observations: 6
  • First position angle: 147
  • Last position angle: 145
  • First separation: 14.5
  • Last separation: 14.0
  • Mag first component: 6.55
  • Mag second component: 13.5
  • Spectral type: B6IV
  • Primary proper motion RA: -4
  • Primary proper motion DEC: -4
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: N
ara.roma.it utilizza cookie tecnici necessari al funzionamento del sito e, previo consenso, cookie di terze parti (es. video YouTube, meteo). Cookie Policy