20177+4030

  • Unique Name: 20177+4030HDS2897
  • RA: 20 17 44.44
  • Dec: +40 30 24.7
  • Discoverer: HDS
  • Discoverer Number: 2897
  • Components:
  • First year: 1991
  • Last year: 2010
  • Observations: 3
  • First position angle: 256
  • Last position angle: 275
  • First separation: 0.3
  • Last separation: 0.3
  • Mag first component: 8.46
  • Mag second component: 10.76
  • Spectral type: G5
  • Primary proper motion RA: 11
  • Primary proper motion DEC: 1
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +40 4098
  • Notes: