21581-2120

  • Unique Name: 21581-2120DON1021
  • RA: 21 58 02.84
  • Dec: -21 20 56.8
  • Discoverer: DON
  • Discoverer Number: 1021
  • Components:
  • First year: 1929
  • Last year: 2000
  • Observations: 4
  • First position angle: 187
  • Last position angle: 186
  • First separation: 2.4
  • Last separation: 2.8
  • Mag first component: 11.23
  • Mag second component: 12.0
  • Spectral type:
  • Primary proper motion RA: 61
  • Primary proper motion DEC: -27
  • Secondary proper motion RA: 52
  • Secondary proper motion DEC: -132
  • Durchmusterung: -22 5803
  • Notes: