20257-2341

  • Unique Name: 20257-2341HJ 2957AB
  • RA: 20 25 42.87
  • Dec: -23 40 45.8
  • Discoverer: HJ
  • Discoverer Number: 2957
  • Components: AB
  • First year: 1919
  • Last year: 1999
  • Observations: 5
  • First position angle: 267
  • Last position angle: 274
  • First separation: 15.9
  • Last separation: 15.1
  • Mag first component: 11.37
  • Mag second component: 11.73
  • Spectral type:
  • Primary proper motion RA: -23
  • Primary proper motion DEC: -44
  • Secondary proper motion RA: -11
  • Secondary proper motion DEC: -17
  • Durchmusterung: -2416031
  • Notes:
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