21129+2457

  • Unique Name: 21129+2457POU5257
  • RA: 21 12 55.27
  • Dec: +24 56 58.7
  • Discoverer: POU
  • Discoverer Number: 5257
  • Components:
  • First year: 1898
  • Last year: 2009
  • Observations: 4
  • First position angle: 164
  • Last position angle: 157
  • First separation: 13.9
  • Last separation: 14.9
  • Mag first component: 12.4
  • Mag second component: 13.8
  • Spectral type:
  • Primary proper motion RA: -4
  • Primary proper motion DEC: 10
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: