21109+3830

  • Unique Name: 21109+3830ES 254
  • RA: 21 10 57.08
  • Dec: +38 30 33.4
  • Discoverer: ES
  • Discoverer Number: 254
  • Components:
  • First year: 1905
  • Last year: 1999
  • Observations: 10
  • First position angle: 330
  • Last position angle: 326
  • First separation: 2.4
  • Last separation: 2.2
  • Mag first component: 10.46
  • Mag second component: 10.59
  • Spectral type: A1IV
  • Primary proper motion RA: -1
  • Primary proper motion DEC: -2
  • Secondary proper motion RA: -1
  • Secondary proper motion DEC: -2
  • Durchmusterung: +37 4210
  • Notes: