21299+5256

  • Unique Name: 21299+5256STF2803AB
  • RA: 21 29 52.95
  • Dec: +52 56 01.8
  • Discoverer: STF
  • Discoverer Number: 2803
  • Components: AB
  • First year: 1832
  • Last year: 2012
  • Observations: 29
  • First position angle: 290
  • Last position angle: 285
  • First separation: 22.2
  • Last separation: 25.7
  • Mag first component: 7.24
  • Mag second component: 9.6
  • Spectral type: B9.5IV-V
  • Primary proper motion RA: 6
  • Primary proper motion DEC: 4
  • Secondary proper motion RA: -11
  • Secondary proper motion DEC: -3
  • Durchmusterung: +52 2953
  • Notes: N D
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