21209+4127

  • Unique Name: 21209+4127HO 156
  • RA: 21 20 53.71
  • Dec: +41 26 31.4
  • Discoverer: HO
  • Discoverer Number: 156
  • Components:
  • First year: 1885
  • Last year: 1991
  • Observations: 10
  • First position angle: 45
  • Last position angle: 50
  • First separation: 1.7
  • Last separation: 2.2
  • Mag first component: 7.69
  • Mag second component: 11.29
  • Spectral type: G5
  • Primary proper motion RA: -14
  • Primary proper motion DEC: -21
  • Secondary proper motion RA: -12
  • Secondary proper motion DEC: -21
  • Durchmusterung: +40 4496
  • Notes: