21290+2211

  • Unique Name: 21290+2211HJ 1647AC
  • RA: 21 28 59.78
  • Dec: +22 10 45.9
  • Discoverer: HJ
  • Discoverer Number: 1647
  • Components: AC
  • First year: 1892
  • Last year: 2013
  • Observations: 12
  • First position angle: 126
  • Last position angle: 128
  • First separation: 41.2
  • Last separation: 38.8
  • Mag first component: 6.08
  • Mag second component: 11.8
  • Spectral type: M4-5III
  • Primary proper motion RA: 34
  • Primary proper motion DEC: 13
  • Secondary proper motion RA: -7
  • Secondary proper motion DEC: -2
  • Durchmusterung:
  • Notes: L
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