21470+2930

  • Unique Name: 21470+2930GRV 503
  • RA: 21 47 01.50
  • Dec: +29 30 46.5
  • Discoverer: GRV
  • Discoverer Number: 503
  • Components:
  • First year: 1894
  • Last year: 2013
  • Observations: 9
  • First position angle: 331
  • Last position angle: 331
  • First separation: 20.2
  • Last separation: 20.2
  • Mag first component: 11.29
  • Mag second component: 11.3
  • Spectral type:
  • Primary proper motion RA: -23
  • Primary proper motion DEC: -24
  • Secondary proper motion RA: -23
  • Secondary proper motion DEC: -22
  • Durchmusterung:
  • Notes:
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