20573+4818

  • Unique Name: 20573+4818HDS2987
  • RA: 20 57 16.58
  • Dec: +48 17 44.8
  • Discoverer: HDS
  • Discoverer Number: 2987
  • Components:
  • First year: 1991
  • Last year: 2007
  • Observations: 2
  • First position angle: 358
  • Last position angle: 357
  • First separation: 0.3
  • Last separation: 0.3
  • Mag first component: 8.47
  • Mag second component: 10.7
  • Spectral type: B8Ib
  • Primary proper motion RA: 3
  • Primary proper motion DEC: 0
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +47 3237
  • Notes: