10257+4055
- Unique Name: 10257+4055STF1430AC
- RA: 10 25 41.11
- Dec: +40 54 39.4
- Discoverer: STF
- Discoverer Number: 1430
- Components: AC
- First year: 1893
- Last year: 2010
- Observations: 11
- First position angle: 235
- Last position angle: 237
- First separation: 22.7
- Last separation: 23.0
- Mag first component: 8.2
- Mag second component: 10.91
- Spectral type: G5III
- Primary proper motion RA: -32
- Primary proper motion DEC: -9
- Secondary proper motion RA: -31
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: U
