21484+5721

  • Unique Name: 21484+5721MLB 143
  • RA: 21 48 33.50
  • Dec: +57 21 39.0
  • Discoverer: MLB
  • Discoverer Number: 143
  • Components:
  • First year: 1919
  • Last year: 1994
  • Observations: 6
  • First position angle: 350
  • Last position angle: 359
  • First separation: 1.9
  • Last separation: 2.1
  • Mag first component: 11.03
  • Mag second component: 11.36
  • Spectral type: F5
  • Primary proper motion RA: 7
  • Primary proper motion DEC: 4
  • Secondary proper motion RA: 7
  • Secondary proper motion DEC: 4
  • Durchmusterung: +56 2648
  • Notes: