18515-2143

  • Unique Name: 18515-2143DON 928
  • RA: 18 51 27.48
  • Dec: -21 43 05.4
  • Discoverer: DON
  • Discoverer Number: 928
  • Components:
  • First year: 1922
  • Last year: 1999
  • Observations: 5
  • First position angle: 271
  • Last position angle: 277
  • First separation: 3.5
  • Last separation: 4.9
  • Mag first component: 10.22
  • Mag second component: 11.9
  • Spectral type: B9IV/V
  • Primary proper motion RA: 25
  • Primary proper motion DEC: -8
  • Secondary proper motion RA: -101
  • Secondary proper motion DEC: 11
  • Durchmusterung: -21 5159
  • Notes: