16550-4109
- Unique Name: 16550-4109I 576AB
- RA: 16 54 58.51
- Dec: -41 09 03.1
- Discoverer: I
- Discoverer Number: 576
- Components: AB
- First year: 1909
- Last year: 2012
- Observations: 7
- First position angle: 270
- Last position angle: 262
- First separation: 4.0
- Last separation: 5.5
- Mag first component: 5.8
- Mag second component: 13.0
- Spectral type: O8If
- Primary proper motion RA: -2
- Primary proper motion DEC: 1
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -4010919
- Notes: N
