21487+2144

  • Unique Name: 21487+2144BRT2500
  • RA: 21 48 45.97
  • Dec: +21 43 36.8
  • Discoverer: BRT
  • Discoverer Number: 2500
  • Components:
  • First year: 1894
  • Last year: 2003
  • Observations: 7
  • First position angle: 240
  • Last position angle: 240
  • First separation: 4.5
  • Last separation: 4.6
  • Mag first component: 11.2
  • Mag second component: 11.7
  • Spectral type:
  • Primary proper motion RA: 48
  • Primary proper motion DEC: 6
  • Secondary proper motion RA: -22
  • Secondary proper motion DEC: -5
  • Durchmusterung: +21 4621
  • Notes: