20457+4951

  • Unique Name: 20457+4951TDT2521
  • RA: 20 45 45.00
  • Dec: +49 50 44.0
  • Discoverer: TDT
  • Discoverer Number: 2521
  • Components:
  • First year: 1991
  • Last year: 2007
  • Observations: 2
  • First position angle: 238
  • Last position angle: 236
  • First separation: 0.4
  • Last separation: 0.3
  • Mag first component: 10.48
  • Mag second component: 10.65
  • Spectral type: G0
  • Primary proper motion RA: 32
  • Primary proper motion DEC: -4
  • Secondary proper motion RA: 32
  • Secondary proper motion DEC: -4
  • Durchmusterung:
  • Notes:
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