20457+5040

  • Unique Name: 20457+5040STT 412AC
  • RA: 20 45 43.08
  • Dec: +50 40 25.9
  • Discoverer: STT
  • Discoverer Number: 412
  • Components: AC
  • First year: 1899
  • Last year: 2003
  • Observations: 4
  • First position angle: 270
  • Last position angle: 268
  • First separation: 25.6
  • Last separation: 26.2
  • Mag first component: 7.1
  • Mag second component: 13.1
  • Spectral type: F3IV
  • Primary proper motion RA: 5
  • Primary proper motion DEC: 8
  • Secondary proper motion RA: -1
  • Secondary proper motion DEC: 1
  • Durchmusterung:
  • Notes: