21217+2420

  • Unique Name: 21217+2420POU5351
  • RA: 21 21 42.68
  • Dec: +24 20 02.9
  • Discoverer: POU
  • Discoverer Number: 5351
  • Components:
  • First year: 1898
  • Last year: 2013
  • Observations: 5
  • First position angle: 155
  • Last position angle: 142
  • First separation: 17.2
  • Last separation: 17.1
  • Mag first component: 13.3
  • Mag second component: 13.9
  • Spectral type:
  • Primary proper motion RA: -8
  • Primary proper motion DEC: -7
  • Secondary proper motion RA: 18
  • Secondary proper motion DEC: 10
  • Durchmusterung:
  • Notes: