21121+3554

  • Unique Name: 21121+3554SEI1442
  • RA: 21 12 07.80
  • Dec: +35 54 18.4
  • Discoverer: SEI
  • Discoverer Number: 1442
  • Components:
  • First year: 1896
  • Last year: 2012
  • Observations: 7
  • First position angle: 84
  • Last position angle: 86
  • First separation: 12.6
  • Last separation: 12.8
  • Mag first component: 11.29
  • Mag second component: 11.3
  • Spectral type:
  • Primary proper motion RA: -1
  • Primary proper motion DEC: -10
  • Secondary proper motion RA: -1
  • Secondary proper motion DEC: -13
  • Durchmusterung:
  • Notes: