21010+3959

  • Unique Name: 21010+3959A 1438
  • RA: 21 00 57.97
  • Dec: +39 59 05.2
  • Discoverer: A
  • Discoverer Number: 1438
  • Components:
  • First year: 1906
  • Last year: 2008
  • Observations: 21
  • First position angle: 224
  • Last position angle: 252
  • First separation: 0.3
  • Last separation: 0.3
  • Mag first component: 8.11
  • Mag second component: 9.37
  • Spectral type: A0
  • Primary proper motion RA: 5
  • Primary proper motion DEC: -1
  • Secondary proper motion RA: 5
  • Secondary proper motion DEC: -1
  • Durchmusterung: +39 4408
  • Notes: