21557+3301

  • Unique Name: 21557+3301AG 278
  • RA: 21 55 38.64
  • Dec: +33 02 12.4
  • Discoverer: AG
  • Discoverer Number: 278
  • Components:
  • First year: 1902
  • Last year: 2010
  • Observations: 26
  • First position angle: 159
  • Last position angle: 158
  • First separation: 3.2
  • Last separation: 3.3
  • Mag first component: 10.33
  • Mag second component: 10.5
  • Spectral type:
  • Primary proper motion RA: -2
  • Primary proper motion DEC: 21
  • Secondary proper motion RA: -3
  • Secondary proper motion DEC: -1
  • Durchmusterung: +32 4292
  • Notes:
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