21091+2149

  • Unique Name: 21091+2149BRT2491
  • RA: 21 09 06.15
  • Dec: +21 49 24.6
  • Discoverer: BRT
  • Discoverer Number: 2491
  • Components:
  • First year: 1892
  • Last year: 2003
  • Observations: 2
  • First position angle: 307
  • Last position angle: 305
  • First separation: 3.4
  • Last separation: 3.3
  • Mag first component: 10.9
  • Mag second component: 12.0
  • Spectral type:
  • Primary proper motion RA: 4
  • Primary proper motion DEC: -8
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +21 4479
  • Notes: