16543-4149
- Unique Name: 16543-4149B 1834CD
- RA: 16 54 19.70
- Dec: -41 49 11.5
- Discoverer: B
- Discoverer Number: 1834
- Components: CD
- First year: 1931
- Last year: 1931
- Observations: 1
- First position angle: 312
- Last position angle: 312
- First separation: 4.3
- Last separation: 4.3
- Mag first component: 6.63
- Mag second component: 13.3
- Spectral type: WC7 O5
- Primary proper motion RA: 0
- Primary proper motion DEC: -4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -4111041
- Notes: N
