21501+3151

  • Unique Name: 21501+3151BU 692AB
  • RA: 21 50 05.37
  • Dec: +31 50 52.4
  • Discoverer: BU
  • Discoverer Number: 692
  • Components: AB
  • First year: 1878
  • Last year: 2009
  • Observations: 15
  • First position angle: 11
  • Last position angle: 10
  • First separation: 2.5
  • Last separation: 2.9
  • Mag first component: 7.47
  • Mag second component: 11.03
  • Spectral type: K0
  • Primary proper motion RA: 39
  • Primary proper motion DEC: 5
  • Secondary proper motion RA: 39
  • Secondary proper motion DEC: 5
  • Durchmusterung: +31 4556
  • Notes: