15121+1728

  • Unique Name: 15121+1728HJ 249
  • RA: 15 12 03.71
  • Dec: +17 28 23.2
  • Discoverer: HJ
  • Discoverer Number: 249
  • Components:
  • First year: 1825
  • Last year: 2008
  • Observations: 9
  • First position angle: 135
  • Last position angle: 127
  • First separation: 10.0
  • Last separation: 14.4
  • Mag first component: 11.86
  • Mag second component: 12.07
  • Spectral type:
  • Primary proper motion RA: -21
  • Primary proper motion DEC: 19
  • Secondary proper motion RA: -2
  • Secondary proper motion DEC: 8
  • Durchmusterung: +18 2982
  • Notes: