21591+4001

  • Unique Name: 21591+4001MLB1022
  • RA: 21 59 02.61
  • Dec: +40 01 21.9
  • Discoverer: MLB
  • Discoverer Number: 1022
  • Components:
  • First year: 1936
  • Last year: 2006
  • Observations: 4
  • First position angle: 243
  • Last position angle: 245
  • First separation: 7.3
  • Last separation: 8.0
  • Mag first component: 12.11
  • Mag second component: 14.1
  • Spectral type:
  • Primary proper motion RA: -7
  • Primary proper motion DEC: -11
  • Secondary proper motion RA: -11
  • Secondary proper motion DEC: -11
  • Durchmusterung:
  • Notes:
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