21581+5635

  • Unique Name: 21581+5635HJ 1709
  • RA: 21 58 07.78
  • Dec: +56 34 59.8
  • Discoverer: HJ
  • Discoverer Number: 1709
  • Components:
  • First year: 1900
  • Last year: 2003
  • Observations: 9
  • First position angle: 317
  • Last position angle: 315
  • First separation: 9.2
  • Last separation: 8.9
  • Mag first component: 8.88
  • Mag second component: 12.0
  • Spectral type: A3
  • Primary proper motion RA: 10
  • Primary proper motion DEC: 3
  • Secondary proper motion RA: 7
  • Secondary proper motion DEC: 5
  • Durchmusterung: +55 2657
  • Notes: