20474+5407

  • Unique Name: 20474+5407ES 997
  • RA: 20 47 25.37
  • Dec: +54 06 48.2
  • Discoverer: ES
  • Discoverer Number: 997
  • Components:
  • First year: 1910
  • Last year: 2007
  • Observations: 3
  • First position angle: 271
  • Last position angle: 273
  • First separation: 2.8
  • Last separation: 3.3
  • Mag first component: 10.87
  • Mag second component: 13.2
  • Spectral type: B8
  • Primary proper motion RA: 2
  • Primary proper motion DEC: -7
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +53 2490
  • Notes:
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