21001+4841

  • Unique Name: 21001+4841BU 1210AB
  • RA: 21 00 06.61
  • Dec: +48 40 45.9
  • Discoverer: BU
  • Discoverer Number: 1210
  • Components: AB
  • First year: 1890
  • Last year: 1924
  • Observations: 7
  • First position angle: 120
  • Last position angle: 104
  • First separation: 2.3
  • Last separation: 1.4
  • Mag first component: 7.34
  • Mag second component: 12.2
  • Spectral type: B9p
  • Primary proper motion RA: 13
  • Primary proper motion DEC: 3
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +48 3260
  • Notes:
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