21315+4817

  • Unique Name: 21315+4817A 771
  • RA: 21 31 30.53
  • Dec: +48 16 41.6
  • Discoverer: A
  • Discoverer Number: 771
  • Components:
  • First year: 1904
  • Last year: 1988
  • Observations: 13
  • First position angle: 68
  • Last position angle: 50
  • First separation: 0.3
  • Last separation: 0.0
  • Mag first component: 8.6
  • Mag second component: 8.8
  • Spectral type: A1V
  • Primary proper motion RA: -22
  • Primary proper motion DEC: -25
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +47 3448
  • Notes:
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