20257+5508

  • Unique Name: 20257+5508A 1429
  • RA: 20 25 40.71
  • Dec: +55 08 20.3
  • Discoverer: A
  • Discoverer Number: 1429
  • Components:
  • First year: 1906
  • Last year: 2008
  • Observations: 15
  • First position angle: 197
  • Last position angle: 188
  • First separation: 0.7
  • Last separation: 0.6
  • Mag first component: 8.57
  • Mag second component: 9.35
  • Spectral type: A2V
  • Primary proper motion RA: 4
  • Primary proper motion DEC: 3
  • Secondary proper motion RA: 4
  • Secondary proper motion DEC: 3
  • Durchmusterung: +54 2349
  • Notes:
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