20490+2544

  • Unique Name: 20490+2544J 3111
  • RA: 20 49 02.80
  • Dec: +25 43 53.3
  • Discoverer: J
  • Discoverer Number: 3111
  • Components:
  • First year: 1893
  • Last year: 2004
  • Observations: 8
  • First position angle: 141
  • Last position angle: 139
  • First separation: 6.2
  • Last separation: 6.2
  • Mag first component: 10.89
  • Mag second component: 12.7
  • Spectral type:
  • Primary proper motion RA: -2
  • Primary proper motion DEC: -1
  • Secondary proper motion RA: 2
  • Secondary proper motion DEC: -3
  • Durchmusterung:
  • Notes: