20490+2540

  • Unique Name: 20490+2540HDS2966
  • RA: 20 48 59.70
  • Dec: +25 40 20.7
  • Discoverer: HDS
  • Discoverer Number: 2966
  • Components:
  • First year: 1991
  • Last year: 1991
  • Observations: 1
  • First position angle: 226
  • Last position angle: 226
  • First separation: 0.5
  • Last separation: 0.5
  • Mag first component: 8.0
  • Mag second component: 11.56
  • Spectral type: B9
  • Primary proper motion RA: 17
  • Primary proper motion DEC: 8
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +25 4383
  • Notes: