21039+1844

  • Unique Name: 21039+1844BRT2489
  • RA: 21 03 56.15
  • Dec: +18 44 06.0
  • Discoverer: BRT
  • Discoverer Number: 2489
  • Components:
  • First year: 1904
  • Last year: 2000
  • Observations: 5
  • First position angle: 251
  • Last position angle: 249
  • First separation: 4.2
  • Last separation: 4.9
  • Mag first component: 8.03
  • Mag second component: 12.16
  • Spectral type: K0
  • Primary proper motion RA: 2
  • Primary proper motion DEC: -15
  • Secondary proper motion RA: -3
  • Secondary proper motion DEC: -20
  • Durchmusterung: +18 4687
  • Notes: