21501+3151

  • Unique Name: 21501+3151BU 692BC
  • RA: 21 50 05.42
  • Dec: +31 50 55.2
  • Discoverer: BU
  • Discoverer Number: 692
  • Components: BC
  • First year: 1878
  • Last year: 2002
  • Observations: 11
  • First position angle: 299
  • Last position angle: 294
  • First separation: 36.9
  • Last separation: 40.8
  • Mag first component: 11.03
  • Mag second component: 12.63
  • Spectral type:
  • Primary proper motion RA: 39
  • Primary proper motion DEC: 5
  • Secondary proper motion RA: -8
  • Secondary proper motion DEC: -6
  • Durchmusterung:
  • Notes:
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