21013+1757

  • Unique Name: 21013+1757BOY 11
  • RA: 21 01 14.68
  • Dec: +17 56 55.5
  • Discoverer: BOY
  • Discoverer Number: 11
  • Components:
  • First year: 2001
  • Last year: 2008
  • Observations: 3
  • First position angle: 108
  • Last position angle: 94
  • First separation: 0.2
  • Last separation: 0.3
  • Mag first component: 20.84
  • Mag second component: 21.43
  • Spectral type:
  • Primary proper motion RA: 0
  • Primary proper motion DEC: -11
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: R
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