21099+3100

  • Unique Name: 21099+3100HJ 1616AB
  • RA: 21 09 51.04
  • Dec: +31 00 56.9
  • Discoverer: HJ
  • Discoverer Number: 1616
  • Components: AB
  • First year: 1828
  • Last year: 2008
  • Observations: 8
  • First position angle: 279
  • Last position angle: 313
  • First separation: 4.0
  • Last separation: 10.1
  • Mag first component: 10.6
  • Mag second component: 11.3
  • Spectral type:
  • Primary proper motion RA: -11
  • Primary proper motion DEC: -28
  • Secondary proper motion RA: 0
  • Secondary proper motion DEC: 6
  • Durchmusterung: +30 4338
  • Notes:
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