20540+3124

  • Unique Name: 20540+3124ES 371
  • RA: 20 54 04.78
  • Dec: +31 23 22.1
  • Discoverer: ES
  • Discoverer Number: 371
  • Components:
  • First year: 1906
  • Last year: 2002
  • Observations: 7
  • First position angle: 133
  • Last position angle: 134
  • First separation: 3.1
  • Last separation: 3.4
  • Mag first component: 10.16
  • Mag second component: 11.2
  • Spectral type:
  • Primary proper motion RA: 7
  • Primary proper motion DEC: 6
  • Secondary proper motion RA: 9
  • Secondary proper motion DEC: 10
  • Durchmusterung: +30 4227
  • Notes: