21139+0427

  • Unique Name: 21139+0427BAL2977
  • RA: 21 13 53.57
  • Dec: +04 27 12.5
  • Discoverer: BAL
  • Discoverer Number: 2977
  • Components:
  • First year: 1908
  • Last year: 2000
  • Observations: 7
  • First position angle: 292
  • Last position angle: 303
  • First separation: 16.8
  • Last separation: 17.1
  • Mag first component: 11.12
  • Mag second component: 11.48
  • Spectral type: G0
  • Primary proper motion RA: -8
  • Primary proper motion DEC: -27
  • Secondary proper motion RA: 8
  • Secondary proper motion DEC: 6
  • Durchmusterung: +03 4525
  • Notes:
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