21109+4658

  • Unique Name: 21109+4658JNN 290BC
  • RA: 21 10 58.78
  • Dec: +46 57 32.1
  • Discoverer: JNN
  • Discoverer Number: 290
  • Components: BC
  • First year: 2011
  • Last year: 2012
  • Observations: 3
  • First position angle: 35
  • Last position angle: 36
  • First separation: 2.1
  • Last separation: 2.4
  • Mag first component: 13.79
  • Mag second component: 17.0
  • Spectral type: M2.5
  • Primary proper motion RA: -220
  • Primary proper motion DEC: -314
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: NU
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