20212+4128

  • Unique Name: 20212+4128A 287
  • RA: 20 21 09.45
  • Dec: +41 27 44.3
  • Discoverer: A
  • Discoverer Number: 287
  • Components:
  • First year: 1901
  • Last year: 2010
  • Observations: 10
  • First position angle: 129
  • Last position angle: 131
  • First separation: 1.4
  • Last separation: 1.5
  • Mag first component: 9.82
  • Mag second component: 11.36
  • Spectral type: A2
  • Primary proper motion RA: 8
  • Primary proper motion DEC: -4
  • Secondary proper motion RA: 8
  • Secondary proper motion DEC: -4
  • Durchmusterung: +40 4128
  • Notes: