21001+2801

  • Unique Name: 21001+2801MLB 617
  • RA: 21 00 04.16
  • Dec: +28 01 20.3
  • Discoverer: MLB
  • Discoverer Number: 617
  • Components:
  • First year: 1929
  • Last year: 2007
  • Observations: 4
  • First position angle: 336
  • Last position angle: 333
  • First separation: 5.3
  • Last separation: 8.3
  • Mag first component: 10.1
  • Mag second component: 13.7
  • Spectral type:
  • Primary proper motion RA: 3
  • Primary proper motion DEC: 0
  • Secondary proper motion RA: 12
  • Secondary proper motion DEC: 22
  • Durchmusterung:
  • Notes:
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