21523+4025

  • Unique Name: 21523+4025ES 261
  • RA: 21 52 16.23
  • Dec: +40 26 09.0
  • Discoverer: ES
  • Discoverer Number: 261
  • Components:
  • First year: 1895
  • Last year: 2013
  • Observations: 23
  • First position angle: 164
  • Last position angle: 165
  • First separation: 4.9
  • Last separation: 5.1
  • Mag first component: 11.11
  • Mag second component: 11.1
  • Spectral type:
  • Primary proper motion RA: -4
  • Primary proper motion DEC: 5
  • Secondary proper motion RA: 2
  • Secondary proper motion DEC: -5
  • Durchmusterung: +39 4695
  • Notes: D
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