21073+3857

  • Unique Name: 21073+3857MLB 889
  • RA: 21 07 18.20
  • Dec: +38 57 18.4
  • Discoverer: MLB
  • Discoverer Number: 889
  • Components:
  • First year: 1933
  • Last year: 2008
  • Observations: 4
  • First position angle: 1
  • Last position angle: 4
  • First separation: 5.8
  • Last separation: 7.0
  • Mag first component: 10.2
  • Mag second component: 11.5
  • Spectral type:
  • Primary proper motion RA: -3
  • Primary proper motion DEC: -3
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes:
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