21542+3953

  • Unique Name: 21542+3953HJ 1703
  • RA: 21 54 10.27
  • Dec: +39 52 37.9
  • Discoverer: HJ
  • Discoverer Number: 1703
  • Components:
  • First year: 1828
  • Last year: 2012
  • Observations: 15
  • First position angle: 90
  • Last position angle: 82
  • First separation: 5.0
  • Last separation: 8.9
  • Mag first component: 9.39
  • Mag second component: 12.15
  • Spectral type: A5
  • Primary proper motion RA: -4
  • Primary proper motion DEC: -5
  • Secondary proper motion RA: -2
  • Secondary proper motion DEC: -8
  • Durchmusterung: +39 4703
  • Notes: