10257+4055
- Unique Name: 10257+4055STF1430AB
- RA: 10 25 41.11
- Dec: +40 54 39.4
- Discoverer: STF
- Discoverer Number: 1430
- Components: AB
- First year: 1904
- Last year: 2002
- Observations: 6
- First position angle: 269
- Last position angle: 272
- First separation: 21.2
- Last separation: 21.3
- Mag first component: 8.2
- Mag second component: 12.1
- Spectral type: G5III
- Primary proper motion RA: -32
- Primary proper motion DEC: -9
- Secondary proper motion RA: -37
- Secondary proper motion DEC: 5
- Durchmusterung: +41 2089
- Notes: U
