18138-2104
- Unique Name: 18138-2104BU 292AC
- RA: 18 13 45.81
- Dec: -21 03 31.8
- Discoverer: BU
- Discoverer Number: 292
- Components: AC
- First year: 1878
- Last year: 2008
- Observations: 10
- First position angle: 118
- Last position angle: 119
- First separation: 25.2
- Last separation: 25.5
- Mag first component: 3.85
- Mag second component: 13.5
- Spectral type: B8Iape
- Primary proper motion RA: 0
- Primary proper motion DEC: -1
- Secondary proper motion RA: 5
- Secondary proper motion DEC: -5
- Durchmusterung:
- Notes: N D