05403+1521
- Unique Name: 05403+1521STF 766AB
- RA: 05 40 18.85
- Dec: +15 21 00.2
- Discoverer: STF
- Discoverer Number: 766
- Components: AB
- First year: 1797
- Last year: 2014
- Observations: 43
- First position angle: 270
- Last position angle: 274
- First separation: 11.6
- Last separation: 10.0
- Mag first component: 7.0
- Mag second component: 8.36
- Spectral type: F0
- Primary proper motion RA: 9
- Primary proper motion DEC: -31
- Secondary proper motion RA: 14
- Secondary proper motion DEC: -28
- Durchmusterung: +15 887
- Notes: N D
