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