18138-2104

  • Unique Name: 18138-2104H 5 7AB
  • RA: 18 13 45.81
  • Dec: -21 03 31.8
  • Discoverer: H 5
  • Discoverer Number: 7
  • Components: AB
  • First year: 1830
  • Last year: 2008
  • Observations: 19
  • First position angle: 263
  • Last position angle: 259
  • First separation: 12.0
  • Last separation: 16.8
  • Mag first component: 3.85
  • Mag second component: 10.48
  • Spectral type: B8Iape
  • Primary proper motion RA: 2
  • Primary proper motion DEC: 1
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: -21 4908
  • Notes: N