21016+5422

  • Unique Name: 21016+5422A 1439AB
  • RA: 21 01 38.09
  • Dec: +54 21 21.1
  • Discoverer: A
  • Discoverer Number: 1439
  • Components: AB
  • First year: 1906
  • Last year: 2003
  • Observations: 6
  • First position angle: 250
  • Last position angle: 251
  • First separation: 4.1
  • Last separation: 4.4
  • Mag first component: 9.97
  • Mag second component: 14.0
  • Spectral type: G0
  • Primary proper motion RA: 24
  • Primary proper motion DEC: 8
  • Secondary proper motion RA: -21
  • Secondary proper motion DEC: -10
  • Durchmusterung: +53 2535
  • Notes: