05557+0859
- Unique Name: 05557+0859STF 820
- RA: 05 55 42.95
- Dec: +08 58 57.9
- Discoverer: STF
- Discoverer Number: 820
- Components:
- First year: 1831
- Last year: 2004
- Observations: 20
- First position angle: 110
- Last position angle: 111
- First separation: 4.7
- Last separation: 4.9
- Mag first component: 9.1
- Mag second component: 9.79
- Spectral type: G0
- Primary proper motion RA: -4
- Primary proper motion DEC: -7
- Secondary proper motion RA: 1
- Secondary proper motion DEC: -14
- Durchmusterung: +08 1115
- Notes: D