16543-4151
- Unique Name: 16543-4151CPO 500
- RA: 16 54 16.30
- Dec: -41 50 26.7
- Discoverer: CPO
- Discoverer Number: 500
- Components:
- First year: 1901
- Last year: 1999
- Observations: 3
- First position angle: 315
- Last position angle: 310
- First separation: 2.9
- Last separation: 3.8
- Mag first component: 10.28
- Mag second component: 11.06
- Spectral type: B1.5V
- Primary proper motion RA: 3
- Primary proper motion DEC: 3
- Secondary proper motion RA: -5
- Secondary proper motion DEC: 3
- Durchmusterung: -41 7737
- Notes: N B