01057+2128
- Unique Name: 01057+2128YR 6Aa,Ab
- RA: 01 05 40.93
- Dec: +21 28 23.6
- Discoverer: YR
- Discoverer Number: 6
- Components: Aa,Ab
- First year: 1999
- Last year: 2010
- Observations: 11
- First position angle: 289
- Last position angle: 8
- First separation: 0.1
- Last separation: 0.0
- Mag first component: 5.7
- Mag second component: 6.6
- Spectral type: B9.5V
- Primary proper motion RA: 44
- Primary proper motion DEC: -14
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +20 156
- Notes: NO