21005+1920

  • Unique Name: 21005+1920BU 1497
  • RA: 21 00 27.69
  • Dec: +19 19 46.5
  • Discoverer: BU
  • Discoverer Number: 1497
  • Components:
  • First year: 1880
  • Last year: 2011
  • Observations: 20
  • First position angle: 333
  • Last position angle: 337
  • First separation: 44.7
  • Last separation: 49.8
  • Mag first component: 5.89
  • Mag second component: 10.0
  • Spectral type: M3IIIab
  • Primary proper motion RA: -15
  • Primary proper motion DEC: -59
  • Secondary proper motion RA: -7
  • Secondary proper motion DEC: -16
  • Durchmusterung: +18 4675
  • Notes: N
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