20139-5800
- Unique Name: 20139-5800B 471
- RA: 20 13 53.64
- Dec: -57 59 43.7
- Discoverer: B
- Discoverer Number: 471
- Components:
- First year: 1927
- Last year: 1991
- Observations: 3
- First position angle: 251
- Last position angle: 260
- First separation: 0.9
- Last separation: 0.5
- Mag first component: 10.4
- Mag second component: 10.37
- Spectral type: F5V
- Primary proper motion RA: 35
- Primary proper motion DEC: -30
- Secondary proper motion RA: 35
- Secondary proper motion DEC: -30
- Durchmusterung: -58 7727
- Notes: