20312+0513

  • Unique Name: 20312+0513AG 257
  • RA: 20 31 13.51
  • Dec: +05 13 08.7
  • Discoverer: AG
  • Discoverer Number: 257
  • Components:
  • First year: 1902
  • Last year: 2009
  • Observations: 44
  • First position angle: 55
  • Last position angle: 73
  • First separation: 1.6
  • Last separation: 1.7
  • Mag first component: 9.49
  • Mag second component: 9.77
  • Spectral type: K0
  • Primary proper motion RA: 303
  • Primary proper motion DEC: 275
  • Secondary proper motion RA: 303
  • Secondary proper motion DEC: 275
  • Durchmusterung: +04 4470
  • Notes: NO
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