21080+0539

  • Unique Name: 21080+0539BU 9018AC
  • RA: 21 07 59.02
  • Dec: +05 39 06.0
  • Discoverer: BU
  • Discoverer Number: 9018
  • Components: AC
  • First year: 1901
  • Last year: 2000
  • Observations: 3
  • First position angle: 269
  • Last position angle: 251
  • First separation: 148.0
  • Last separation: 140.3
  • Mag first component: 8.3
  • Mag second component: 13.0
  • Spectral type: K0
  • Primary proper motion RA: -22
  • Primary proper motion DEC: -117
  • Secondary proper motion RA: 7
  • Secondary proper motion DEC: -10
  • Durchmusterung:
  • Notes: