20057+3020

  • Unique Name: 20057+3020ES 498
  • RA: 20 05 42.33
  • Dec: +30 19 39.3
  • Discoverer: ES
  • Discoverer Number: 498
  • Components:
  • First year: 1902
  • Last year: 2011
  • Observations: 3
  • First position angle: 243
  • Last position angle: 306
  • First separation: 10.5
  • Last separation: 7.9
  • Mag first component: 8.86
  • Mag second component: 12.5
  • Spectral type: F5V
  • Primary proper motion RA: -19
  • Primary proper motion DEC: -103
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +29 3889
  • Notes:
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