21504+2519

  • Unique Name: 21504+2519POU5524AB
  • RA: 21 50 19.34
  • Dec: +25 19 05.9
  • Discoverer: POU
  • Discoverer Number: 5524
  • Components: AB
  • First year: 1898
  • Last year: 2009
  • Observations: 4
  • First position angle: 129
  • Last position angle: 127
  • First separation: 14.5
  • Last separation: 14.2
  • Mag first component: 12.65
  • Mag second component: 14.12
  • Spectral type:
  • Primary proper motion RA: -51
  • Primary proper motion DEC: 66
  • Secondary proper motion RA: 24
  • Secondary proper motion DEC: -11
  • Durchmusterung:
  • Notes: