21553-5505

  • Unique Name: 21553-5505RST5557
  • RA: 21 55 18.66
  • Dec: -55 05 00.6
  • Discoverer: RST
  • Discoverer Number: 5557
  • Components:
  • First year: 1949
  • Last year: 1991
  • Observations: 3
  • First position angle: 212
  • Last position angle: 218
  • First separation: 0.3
  • Last separation: 0.6
  • Mag first component: 11.56
  • Mag second component: 11.7
  • Spectral type:
  • Primary proper motion RA: 7
  • Primary proper motion DEC: -24
  • Secondary proper motion RA: 7
  • Secondary proper motion DEC: -24
  • Durchmusterung: -55 9720
  • Notes: