17040-5105
- Unique Name: 17040-5105DUN 212AB
- RA: 17 03 59.55
- Dec: -51 04 57.3
- Discoverer: DUN
- Discoverer Number: 212
- Components: AB
- First year: 1836
- Last year: 1991
- Observations: 17
- First position angle: 284
- Last position angle: 284
- First separation: 16.5
- Last separation: 16.2
- Mag first component: 8.35
- Mag second component: 8.81
- Spectral type: B2V
- Primary proper motion RA: -6
- Primary proper motion DEC: -4
- Secondary proper motion RA: 4
- Secondary proper motion DEC: -4
- Durchmusterung:
- Notes: NY
