05139-2259
- Unique Name: 05139-2259BU 317AC
- RA: 05 13 55.82
- Dec: -22 59 18.6
- Discoverer: BU
- Discoverer Number: 317
- Components: AC
- First year: 1898
- Last year: 2000
- Observations: 9
- First position angle: 47
- Last position angle: 49
- First separation: 18.8
- Last separation: 16.5
- Mag first component: 7.54
- Mag second component: 12.6
- Spectral type: K0III
- Primary proper motion RA: 11
- Primary proper motion DEC: 23
- Secondary proper motion RA: 1
- Secondary proper motion DEC: 7
- Durchmusterung:
- Notes: U
