20257+3709

  • Unique Name: 20257+3709ES 2192
  • RA: 20 25 42.09
  • Dec: +37 08 42.6
  • Discoverer: ES
  • Discoverer Number: 2192
  • Components:
  • First year: 1925
  • Last year: 1990
  • Observations: 3
  • First position angle: 84
  • Last position angle: 80
  • First separation: 2.6
  • Last separation: 2.4
  • Mag first component: 9.7
  • Mag second component: 12.0
  • Spectral type:
  • Primary proper motion RA: -1
  • Primary proper motion DEC: 7
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes:
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