21051+2454

  • Unique Name: 21051+2454POU5142AC
  • RA: 21 05 08.72
  • Dec: +24 53 42.5
  • Discoverer: POU
  • Discoverer Number: 5142
  • Components: AC
  • First year: 1897
  • Last year: 2008
  • Observations: 4
  • First position angle: 333
  • Last position angle: 328
  • First separation: 18.4
  • Last separation: 18.2
  • Mag first component: 13.8
  • Mag second component: 14.3
  • Spectral type:
  • Primary proper motion RA: 3
  • Primary proper motion DEC: 4
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: