21175+1221

  • Unique Name: 21175+1221HJ 279AB
  • RA: 21 17 40.60
  • Dec: +12 20 34.1
  • Discoverer: HJ
  • Discoverer Number: 279
  • Components: AB
  • First year: 1825
  • Last year: 2004
  • Observations: 6
  • First position angle: 295
  • Last position angle: 293
  • First separation: 3.0
  • Last separation: 5.4
  • Mag first component: 11.49
  • Mag second component: 11.5
  • Spectral type:
  • Primary proper motion RA: 39
  • Primary proper motion DEC: -23
  • Secondary proper motion RA: -21
  • Secondary proper motion DEC: -5
  • Durchmusterung:
  • Notes: N
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