21009+4730

  • Unique Name: 21009+4730BU 1290AC
  • RA: 21 00 56.09
  • Dec: +47 29 37.3
  • Discoverer: BU
  • Discoverer Number: 1290
  • Components: AC
  • First year: 1898
  • Last year: 2000
  • Observations: 2
  • First position angle: 271
  • Last position angle: 267
  • First separation: 3.1
  • Last separation: 3.5
  • Mag first component: 10.09
  • Mag second component: 14.0
  • Spectral type:
  • Primary proper motion RA: 13
  • Primary proper motion DEC: 13
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • 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