21256+4138

  • Unique Name: 21256+4138A 618
  • RA: 21 25 34.50
  • Dec: +41 38 24.4
  • Discoverer: A
  • Discoverer Number: 618
  • Components:
  • First year: 1903
  • Last year: 2008
  • Observations: 11
  • First position angle: 266
  • Last position angle: 276
  • First separation: 0.3
  • Last separation: 0.5
  • Mag first component: 9.85
  • Mag second component: 10.24
  • Spectral type: A0
  • Primary proper motion RA: -1
  • Primary proper motion DEC: -7
  • Secondary proper motion RA: -1
  • Secondary proper motion DEC: -7
  • Durchmusterung: +41 4129
  • Notes: