21153+4017

  • Unique Name: 21153+4017A 1440
  • RA: 21 15 18.77
  • Dec: +40 16 21.4
  • Discoverer: A
  • Discoverer Number: 1440
  • Components:
  • First year: 1906
  • Last year: 2001
  • Observations: 11
  • First position angle: 214
  • Last position angle: 211
  • First separation: 1.1
  • Last separation: 1.2
  • Mag first component: 10.06
  • Mag second component: 10.9
  • Spectral type:
  • Primary proper motion RA: 1
  • Primary proper motion DEC: -11
  • Secondary proper motion RA: 1
  • Secondary proper motion DEC: -11
  • Durchmusterung: +39 4493
  • Notes: